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Finding the Fourth Proportional to 552,247.92, 828,274.68 and 147,445.16

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Solution

The fourth proportional to 552,247.92, 828,274.68 and 147,445.16 is: 221,141.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,247.92 : 828,274.68 = 147,445.16 : x
  2. Step 2: Convert to fraction form
    552,247.92/828,274.68 = 147,445.16/x
  3. Step 3: Cross multiply
    552,247.92x = 828,274.68 × 147,445.16
  4. Step 4: Simplify right side
    552,247.92x = 122,125,088,575.18
  5. Step 5: Solve for x
    x = 122,125,088,575.18/552,247.92
  6. Step 6: Final answer
    x = 221,141.78

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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.