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Finding the Fourth Proportional to 159,311.30, 238,966.95 and 156,200.90

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Solution

The fourth proportional to 159,311.30, 238,966.95 and 156,200.90 is: 234,301.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,311.30 : 238,966.95 = 156,200.90 : x
  2. Step 2: Convert to fraction form
    159,311.30/238,966.95 = 156,200.90/x
  3. Step 3: Cross multiply
    159,311.30x = 238,966.95 × 156,200.90
  4. Step 4: Simplify right side
    159,311.30x = 37,326,852,660.26
  5. Step 5: Solve for x
    x = 37,326,852,660.26/159,311.30
  6. Step 6: Final answer
    x = 234,301.35

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1.5x scale

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.