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Finding the Fourth Proportional to 499,032.30, 748,548.45 and 166,608.30

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Solution

The fourth proportional to 499,032.30, 748,548.45 and 166,608.30 is: 249,912.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,032.30 : 748,548.45 = 166,608.30 : x
  2. Step 2: Convert to fraction form
    499,032.30/748,548.45 = 166,608.30/x
  3. Step 3: Cross multiply
    499,032.30x = 748,548.45 × 166,608.30
  4. Step 4: Simplify right side
    499,032.30x = 124,714,384,722.14
  5. Step 5: Solve for x
    x = 124,714,384,722.14/499,032.30
  6. Step 6: Final answer
    x = 249,912.45

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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.