Home / 312,428.26-468,545.46-112,722.76

Finding the Fourth Proportional to 312,428.26, 468,545.46 and 112,722.76

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Solution

The fourth proportional to 312,428.26, 468,545.46 and 112,722.76 is: 169,049.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,428.26 : 468,545.46 = 112,722.76 : x
  2. Step 2: Convert to fraction form
    312,428.26/468,545.46 = 112,722.76/x
  3. Step 3: Cross multiply
    312,428.26x = 468,545.46 × 112,722.76
  4. Step 4: Simplify right side
    312,428.26x = 52,815,737,436.67
  5. Step 5: Solve for x
    x = 52,815,737,436.67/312,428.26
  6. Step 6: Final answer
    x = 169,049.17

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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.