Home / 385,982.92-532,503.18-240,703.24

Finding the Fourth Proportional to 385,982.92, 532,503.18 and 240,703.24

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Solution

The fourth proportional to 385,982.92, 532,503.18 and 240,703.24 is: 332,074.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,982.92 : 532,503.18 = 240,703.24 : x
  2. Step 2: Convert to fraction form
    385,982.92/532,503.18 = 240,703.24/x
  3. Step 3: Cross multiply
    385,982.92x = 532,503.18 × 240,703.24
  4. Step 4: Simplify right side
    385,982.92x = 128,175,240,736.30
  5. Step 5: Solve for x
    x = 128,175,240,736.30/385,982.92
  6. Step 6: Final answer
    x = 332,074.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.