Home / 406,351.38-609,567.17-140,076.84

Finding the Fourth Proportional to 406,351.38, 609,567.17 and 140,076.84

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Solution

The fourth proportional to 406,351.38, 609,567.17 and 140,076.84 is: 210,129.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,351.38 : 609,567.17 = 140,076.84 : x
  2. Step 2: Convert to fraction form
    406,351.38/609,567.17 = 140,076.84/x
  3. Step 3: Cross multiply
    406,351.38x = 609,567.17 × 140,076.84
  4. Step 4: Simplify right side
    406,351.38x = 85,386,242,941.34
  5. Step 5: Solve for x
    x = 85,386,242,941.34/406,351.38
  6. Step 6: Final answer
    x = 210,129.08

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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.