Home / 310,834.17-428,951.79-183,517.95

Finding the Fourth Proportional to 310,834.17, 428,951.79 and 183,517.95

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Solution

The fourth proportional to 310,834.17, 428,951.79 and 183,517.95 is: 253,255.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,834.17 : 428,951.79 = 183,517.95 : x
  2. Step 2: Convert to fraction form
    310,834.17/428,951.79 = 183,517.95/x
  3. Step 3: Cross multiply
    310,834.17x = 428,951.79 × 183,517.95
  4. Step 4: Simplify right side
    310,834.17x = 78,720,353,149.63
  5. Step 5: Solve for x
    x = 78,720,353,149.63/310,834.17
  6. Step 6: Final answer
    x = 253,255.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.