Home / 437,748.68-656,588.46-138,238.22

Finding the Fourth Proportional to 437,748.68, 656,588.46 and 138,238.22

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Solution

The fourth proportional to 437,748.68, 656,588.46 and 138,238.22 is: 207,346.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,748.68 : 656,588.46 = 138,238.22 : x
  2. Step 2: Convert to fraction form
    437,748.68/656,588.46 = 138,238.22/x
  3. Step 3: Cross multiply
    437,748.68x = 656,588.46 × 138,238.22
  4. Step 4: Simplify right side
    437,748.68x = 90,765,619,982.94
  5. Step 5: Solve for x
    x = 90,765,619,982.94/437,748.68
  6. Step 6: Final answer
    x = 207,346.42

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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.