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Finding the Fourth Proportional to 542,032.20, 813,048.30 and 168,006.60

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Solution

The fourth proportional to 542,032.20, 813,048.30 and 168,006.60 is: 252,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,032.20 : 813,048.30 = 168,006.60 : x
  2. Step 2: Convert to fraction form
    542,032.20/813,048.30 = 168,006.60/x
  3. Step 3: Cross multiply
    542,032.20x = 813,048.30 × 168,006.60
  4. Step 4: Simplify right side
    542,032.20x = 136,597,480,518.78
  5. Step 5: Solve for x
    x = 136,597,480,518.78/542,032.20
  6. Step 6: Final answer
    x = 252,009.90

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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.