Home / 406,541.42-609,909.02-140,304.24

Finding the Fourth Proportional to 406,541.42, 609,909.02 and 140,304.24

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Solution

The fourth proportional to 406,541.42, 609,909.02 and 140,304.24 is: 210,489.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,541.42 : 609,909.02 = 140,304.24 : x
  2. Step 2: Convert to fraction form
    406,541.42/609,909.02 = 140,304.24/x
  3. Step 3: Cross multiply
    406,541.42x = 609,909.02 × 140,304.24
  4. Step 4: Simplify right side
    406,541.42x = 85,572,821,520.24
  5. Step 5: Solve for x
    x = 85,572,821,520.24/406,541.42
  6. Step 6: Final answer
    x = 210,489.80

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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.