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Finding the Fourth Proportional to 456,753.48, 630,321.03 and 252,818.43

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Solution

The fourth proportional to 456,753.48, 630,321.03 and 252,818.43 is: 348,890.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,753.48 : 630,321.03 = 252,818.43 : x
  2. Step 2: Convert to fraction form
    456,753.48/630,321.03 = 252,818.43/x
  3. Step 3: Cross multiply
    456,753.48x = 630,321.03 × 252,818.43
  4. Step 4: Simplify right side
    456,753.48x = 159,356,773,200.58
  5. Step 5: Solve for x
    x = 159,356,773,200.58/456,753.48
  6. Step 6: Final answer
    x = 348,890.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.