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Finding the Fourth Proportional to 542,880.80, 813,932.40 and 227,175.20

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Solution

The fourth proportional to 542,880.80, 813,932.40 and 227,175.20 is: 340,600.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,880.80 : 813,932.40 = 227,175.20 : x
  2. Step 2: Convert to fraction form
    542,880.80/813,932.40 = 227,175.20/x
  3. Step 3: Cross multiply
    542,880.80x = 813,932.40 × 227,175.20
  4. Step 4: Simplify right side
    542,880.80x = 184,905,255,756.48
  5. Step 5: Solve for x
    x = 184,905,255,756.48/542,880.80
  6. Step 6: Final answer
    x = 340,600.10

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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.