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Finding the Fourth Proportional to 499,034.80, 748,552.20 and 233,314.30

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Solution

The fourth proportional to 499,034.80, 748,552.20 and 233,314.30 is: 349,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,034.80 : 748,552.20 = 233,314.30 : x
  2. Step 2: Convert to fraction form
    499,034.80/748,552.20 = 233,314.30/x
  3. Step 3: Cross multiply
    499,034.80x = 748,552.20 × 233,314.30
  4. Step 4: Simplify right side
    499,034.80x = 174,647,932,556.46
  5. Step 5: Solve for x
    x = 174,647,932,556.46/499,034.80
  6. Step 6: Final answer
    x = 349,971.45

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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.