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Finding the Fourth Proportional to 406,268.52, 609,459.53 and 169,557

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Solution

The fourth proportional to 406,268.52, 609,459.53 and 169,557 is: 254,359.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,268.52 : 609,459.53 = 169,557 : x
  2. Step 2: Convert to fraction form
    406,268.52/609,459.53 = 169,557/x
  3. Step 3: Cross multiply
    406,268.52x = 609,459.53 × 169,557
  4. Step 4: Simplify right side
    406,268.52x = 103,338,128,680.43
  5. Step 5: Solve for x
    x = 103,338,128,680.43/406,268.52
  6. Step 6: Final answer
    x = 254,359.18

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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.