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Finding the Fourth Proportional to 252,909.30, 348,868.71 and 162,233.04

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Solution

The fourth proportional to 252,909.30, 348,868.71 and 162,233.04 is: 223,787.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,909.30 : 348,868.71 = 162,233.04 : x
  2. Step 2: Convert to fraction form
    252,909.30/348,868.71 = 162,233.04/x
  3. Step 3: Cross multiply
    252,909.30x = 348,868.71 × 162,233.04
  4. Step 4: Simplify right side
    252,909.30x = 56,598,031,384.18
  5. Step 5: Solve for x
    x = 56,598,031,384.18/252,909.30
  6. Step 6: Final answer
    x = 223,787.86

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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.