Home / 835,142.98-1,252,101.08-266,196.54

Finding the Fourth Proportional to 835,142.98, 1,252,101.08 and 266,196.54

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Solution

The fourth proportional to 835,142.98, 1,252,101.08 and 266,196.54 is: 399,099.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,142.98 : 1,252,101.08 = 266,196.54 : x
  2. Step 2: Convert to fraction form
    835,142.98/1,252,101.08 = 266,196.54/x
  3. Step 3: Cross multiply
    835,142.98x = 1,252,101.08 × 266,196.54
  4. Step 4: Simplify right side
    835,142.98x = 333,304,975,226.26
  5. Step 5: Solve for x
    x = 333,304,975,226.26/835,142.98
  6. Step 6: Final answer
    x = 399,099.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.