Home / 499,314.80-748,972.20-199,841.60

Finding the Fourth Proportional to 499,314.80, 748,972.20 and 199,841.60

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Solution

The fourth proportional to 499,314.80, 748,972.20 and 199,841.60 is: 299,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,314.80 : 748,972.20 = 199,841.60 : x
  2. Step 2: Convert to fraction form
    499,314.80/748,972.20 = 199,841.60/x
  3. Step 3: Cross multiply
    499,314.80x = 748,972.20 × 199,841.60
  4. Step 4: Simplify right side
    499,314.80x = 149,675,802,803.52
  5. Step 5: Solve for x
    x = 149,675,802,803.52/499,314.80
  6. Step 6: Final answer
    x = 299,762.40

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Similar ratio
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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.