Home / 641,988.38-962,980.22-192,707.30

Finding the Fourth Proportional to 641,988.38, 962,980.22 and 192,707.30

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Solution

The fourth proportional to 641,988.38, 962,980.22 and 192,707.30 is: 289,060.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,988.38 : 962,980.22 = 192,707.30 : x
  2. Step 2: Convert to fraction form
    641,988.38/962,980.22 = 192,707.30/x
  3. Step 3: Cross multiply
    641,988.38x = 962,980.22 × 192,707.30
  4. Step 4: Simplify right side
    641,988.38x = 185,573,318,149.61
  5. Step 5: Solve for x
    x = 185,573,318,149.61/641,988.38
  6. Step 6: Final answer
    x = 289,060.24

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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.