Home / 227,815.40-341,723.10-78,005.90

Finding the Fourth Proportional to 227,815.40, 341,723.10 and 78,005.90

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Solution

The fourth proportional to 227,815.40, 341,723.10 and 78,005.90 is: 117,008.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,815.40 : 341,723.10 = 78,005.90 : x
  2. Step 2: Convert to fraction form
    227,815.40/341,723.10 = 78,005.90/x
  3. Step 3: Cross multiply
    227,815.40x = 341,723.10 × 78,005.90
  4. Step 4: Simplify right side
    227,815.40x = 26,656,417,966.29
  5. Step 5: Solve for x
    x = 26,656,417,966.29/227,815.40
  6. Step 6: Final answer
    x = 117,008.85

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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.