Home / 629,828.80-944,750.40-156,515.20

Finding the Fourth Proportional to 629,828.80, 944,750.40 and 156,515.20

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Solution

The fourth proportional to 629,828.80, 944,750.40 and 156,515.20 is: 234,774.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,828.80 : 944,750.40 = 156,515.20 : x
  2. Step 2: Convert to fraction form
    629,828.80/944,750.40 = 156,515.20/x
  3. Step 3: Cross multiply
    629,828.80x = 944,750.40 × 156,515.20
  4. Step 4: Simplify right side
    629,828.80x = 147,867,797,806.08
  5. Step 5: Solve for x
    x = 147,867,797,806.08/629,828.80
  6. Step 6: Final answer
    x = 234,774.59

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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.