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Finding the Fourth Proportional to 228,000.66, 342,037.74 and 70,229.04

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Solution

The fourth proportional to 228,000.66, 342,037.74 and 70,229.04 is: 105,354.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,000.66 : 342,037.74 = 70,229.04 : x
  2. Step 2: Convert to fraction form
    228,000.66/342,037.74 = 70,229.04/x
  3. Step 3: Cross multiply
    228,000.66x = 342,037.74 × 70,229.04
  4. Step 4: Simplify right side
    228,000.66x = 24,020,982,123.97
  5. Step 5: Solve for x
    x = 24,020,982,123.97/228,000.66
  6. Step 6: Final answer
    x = 105,354.88

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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.