Home / 348,545.30-522,890.85-111,911.90

Finding the Fourth Proportional to 348,545.30, 522,890.85 and 111,911.90

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Solution

The fourth proportional to 348,545.30, 522,890.85 and 111,911.90 is: 167,891.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,545.30 : 522,890.85 = 111,911.90 : x
  2. Step 2: Convert to fraction form
    348,545.30/522,890.85 = 111,911.90/x
  3. Step 3: Cross multiply
    348,545.30x = 522,890.85 × 111,911.90
  4. Step 4: Simplify right side
    348,545.30x = 58,517,708,516.12
  5. Step 5: Solve for x
    x = 58,517,708,516.12/348,545.30
  6. Step 6: Final answer
    x = 167,891.26

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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.