Home / 439,001.47-658,564.97-135,421.27

Finding the Fourth Proportional to 439,001.47, 658,564.97 and 135,421.27

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Solution

The fourth proportional to 439,001.47, 658,564.97 and 135,421.27 is: 203,151.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,001.47 : 658,564.97 = 135,421.27 : x
  2. Step 2: Convert to fraction form
    439,001.47/658,564.97 = 135,421.27/x
  3. Step 3: Cross multiply
    439,001.47x = 658,564.97 × 135,421.27
  4. Step 4: Simplify right side
    439,001.47x = 89,183,702,291.39
  5. Step 5: Solve for x
    x = 89,183,702,291.39/439,001.47
  6. Step 6: Final answer
    x = 203,151.26

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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.