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Finding the Fourth Proportional to 552,248.48, 828,275.52 and 147,445.72

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Solution

The fourth proportional to 552,248.48, 828,275.52 and 147,445.72 is: 221,142.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,248.48 : 828,275.52 = 147,445.72 : x
  2. Step 2: Convert to fraction form
    552,248.48/828,275.52 = 147,445.72/x
  3. Step 3: Cross multiply
    552,248.48x = 828,275.52 × 147,445.72
  4. Step 4: Simplify right side
    552,248.48x = 122,125,678,887.01
  5. Step 5: Solve for x
    x = 122,125,678,887.01/552,248.48
  6. Step 6: Final answer
    x = 221,142.62

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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.