Home / 312,433.50-468,553.05-112,727.73

Finding the Fourth Proportional to 312,433.50, 468,553.05 and 112,727.73

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Solution

The fourth proportional to 312,433.50, 468,553.05 and 112,727.73 is: 169,056.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,433.50 : 468,553.05 = 112,727.73 : x
  2. Step 2: Convert to fraction form
    312,433.50/468,553.05 = 112,727.73/x
  3. Step 3: Cross multiply
    312,433.50x = 468,553.05 × 112,727.73
  4. Step 4: Simplify right side
    312,433.50x = 52,818,921,711.08
  5. Step 5: Solve for x
    x = 52,818,921,711.08/312,433.50
  6. Step 6: Final answer
    x = 169,056.52

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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.