Home / 240,006.66-331,195.46-143,319.62

Finding the Fourth Proportional to 240,006.66, 331,195.46 and 143,319.62

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Solution

The fourth proportional to 240,006.66, 331,195.46 and 143,319.62 is: 197,772.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,006.66 : 331,195.46 = 143,319.62 : x
  2. Step 2: Convert to fraction form
    240,006.66/331,195.46 = 143,319.62/x
  3. Step 3: Cross multiply
    240,006.66x = 331,195.46 × 143,319.62
  4. Step 4: Simplify right side
    240,006.66x = 47,466,806,565.63
  5. Step 5: Solve for x
    x = 47,466,806,565.63/240,006.66
  6. Step 6: Final answer
    x = 197,772.87

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1.5x scale

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.