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Finding the Fourth Proportional to 406,250.80, 609,432.90 and 169,539.22

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Solution

The fourth proportional to 406,250.80, 609,432.90 and 169,539.22 is: 254,332.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,250.80 : 609,432.90 = 169,539.22 : x
  2. Step 2: Convert to fraction form
    406,250.80/609,432.90 = 169,539.22/x
  3. Step 3: Cross multiply
    406,250.80x = 609,432.90 × 169,539.22
  4. Step 4: Simplify right side
    406,250.80x = 103,322,778,508.34
  5. Step 5: Solve for x
    x = 103,322,778,508.34/406,250.80
  6. Step 6: Final answer
    x = 254,332.49

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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.