Home / 211,505.02-317,259.15-71,261.62

Finding the Fourth Proportional to 211,505.02, 317,259.15 and 71,261.62

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Solution

The fourth proportional to 211,505.02, 317,259.15 and 71,261.62 is: 106,892.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,505.02 : 317,259.15 = 71,261.62 : x
  2. Step 2: Convert to fraction form
    211,505.02/317,259.15 = 71,261.62/x
  3. Step 3: Cross multiply
    211,505.02x = 317,259.15 × 71,261.62
  4. Step 4: Simplify right side
    211,505.02x = 22,608,399,402.53
  5. Step 5: Solve for x
    x = 22,608,399,402.53/211,505.02
  6. Step 6: Final answer
    x = 106,892.97

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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.