Home / 402,330.06-603,569.07-132,473.70

Finding the Fourth Proportional to 402,330.06, 603,569.07 and 132,473.70

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Solution

The fourth proportional to 402,330.06, 603,569.07 and 132,473.70 is: 198,734.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,330.06 : 603,569.07 = 132,473.70 : x
  2. Step 2: Convert to fraction form
    402,330.06/603,569.07 = 132,473.70/x
  3. Step 3: Cross multiply
    402,330.06x = 603,569.07 × 132,473.70
  4. Step 4: Simplify right side
    402,330.06x = 79,957,027,908.46
  5. Step 5: Solve for x
    x = 79,957,027,908.46/402,330.06
  6. Step 6: Final answer
    x = 198,734.91

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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.