Home / 438,372.14-657,321.28-153,989.24

Finding the Fourth Proportional to 438,372.14, 657,321.28 and 153,989.24

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Solution

The fourth proportional to 438,372.14, 657,321.28 and 153,989.24 is: 230,900.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,372.14 : 657,321.28 = 153,989.24 : x
  2. Step 2: Convert to fraction form
    438,372.14/657,321.28 = 153,989.24/x
  3. Step 3: Cross multiply
    438,372.14x = 657,321.28 × 153,989.24
  4. Step 4: Simplify right side
    438,372.14x = 101,220,404,343.03
  5. Step 5: Solve for x
    x = 101,220,404,343.03/438,372.14
  6. Step 6: Final answer
    x = 230,900.63

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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.