Home / 283,280.76-424,922.18-105,785.88

Finding the Fourth Proportional to 283,280.76, 424,922.18 and 105,785.88

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Solution

The fourth proportional to 283,280.76, 424,922.18 and 105,785.88 is: 158,679.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,280.76 : 424,922.18 = 105,785.88 : x
  2. Step 2: Convert to fraction form
    283,280.76/424,922.18 = 105,785.88/x
  3. Step 3: Cross multiply
    283,280.76x = 424,922.18 × 105,785.88
  4. Step 4: Simplify right side
    283,280.76x = 44,950,766,742.82
  5. Step 5: Solve for x
    x = 44,950,766,742.82/283,280.76
  6. Step 6: Final answer
    x = 158,679.21

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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.