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Finding the Fourth Proportional to 252,984.80, 379,234.20 and 146,259.20

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Solution

The fourth proportional to 252,984.80, 379,234.20 and 146,259.20 is: 219,248.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,984.80 : 379,234.20 = 146,259.20 : x
  2. Step 2: Convert to fraction form
    252,984.80/379,234.20 = 146,259.20/x
  3. Step 3: Cross multiply
    252,984.80x = 379,234.20 × 146,259.20
  4. Step 4: Simplify right side
    252,984.80x = 55,466,490,704.64
  5. Step 5: Solve for x
    x = 55,466,490,704.64/252,984.80
  6. Step 6: Final answer
    x = 219,248.31

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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.