Home / 499,314.70-748,977.52-144,331.80

Finding the Fourth Proportional to 499,314.70, 748,977.52 and 144,331.80

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Solution

The fourth proportional to 499,314.70, 748,977.52 and 144,331.80 is: 216,499.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,314.70 : 748,977.52 = 144,331.80 : x
  2. Step 2: Convert to fraction form
    499,314.70/748,977.52 = 144,331.80/x
  3. Step 3: Cross multiply
    499,314.70x = 748,977.52 × 144,331.80
  4. Step 4: Simplify right side
    499,314.70x = 108,101,273,621.14
  5. Step 5: Solve for x
    x = 108,101,273,621.14/499,314.70
  6. Step 6: Final answer
    x = 216,499.28

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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.