Home / 284,217.12-426,348.36-165,900.42

Finding the Fourth Proportional to 284,217.12, 426,348.36 and 165,900.42

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Solution

The fourth proportional to 284,217.12, 426,348.36 and 165,900.42 is: 248,863.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,217.12 : 426,348.36 = 165,900.42 : x
  2. Step 2: Convert to fraction form
    284,217.12/426,348.36 = 165,900.42/x
  3. Step 3: Cross multiply
    284,217.12x = 426,348.36 × 165,900.42
  4. Step 4: Simplify right side
    284,217.12x = 70,731,371,990.31
  5. Step 5: Solve for x
    x = 70,731,371,990.31/284,217.12
  6. Step 6: Final answer
    x = 248,863.87

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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.