Home / 385,349.14-531,773.28-210,918.46

Finding the Fourth Proportional to 385,349.14, 531,773.28 and 210,918.46

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Solution

The fourth proportional to 385,349.14, 531,773.28 and 210,918.46 is: 291,062.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,349.14 : 531,773.28 = 210,918.46 : x
  2. Step 2: Convert to fraction form
    385,349.14/531,773.28 = 210,918.46/x
  3. Step 3: Cross multiply
    385,349.14x = 531,773.28 × 210,918.46
  4. Step 4: Simplify right side
    385,349.14x = 112,160,801,286.75
  5. Step 5: Solve for x
    x = 112,160,801,286.75/385,349.14
  6. Step 6: Final answer
    x = 291,062.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.