Home / 278,132.24-416,950.90-100,599.76

Finding the Fourth Proportional to 278,132.24, 416,950.90 and 100,599.76

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Solution

The fourth proportional to 278,132.24, 416,950.90 and 100,599.76 is: 150,810.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,132.24 : 416,950.90 = 100,599.76 : x
  2. Step 2: Convert to fraction form
    278,132.24/416,950.90 = 100,599.76/x
  3. Step 3: Cross multiply
    278,132.24x = 416,950.90 × 100,599.76
  4. Step 4: Simplify right side
    278,132.24x = 41,945,160,471.78
  5. Step 5: Solve for x
    x = 41,945,160,471.78/278,132.24
  6. Step 6: Final answer
    x = 150,810.13

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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.