Home / 499,314.45-748,977.15-144,331.55

Finding the Fourth Proportional to 499,314.45, 748,977.15 and 144,331.55

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Solution

The fourth proportional to 499,314.45, 748,977.15 and 144,331.55 is: 216,498.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,314.45 : 748,977.15 = 144,331.55 : x
  2. Step 2: Convert to fraction form
    499,314.45/748,977.15 = 144,331.55/x
  3. Step 3: Cross multiply
    499,314.45x = 748,977.15 × 144,331.55
  4. Step 4: Simplify right side
    499,314.45x = 108,101,029,229.20
  5. Step 5: Solve for x
    x = 108,101,029,229.20/499,314.45
  6. Step 6: Final answer
    x = 216,498.90

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1.5x scale

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.