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Finding the Fourth Proportional to 362,227.30, 543,340.95 and 112,909.30

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Solution

The fourth proportional to 362,227.30, 543,340.95 and 112,909.30 is: 169,363.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,227.30 : 543,340.95 = 112,909.30 : x
  2. Step 2: Convert to fraction form
    362,227.30/543,340.95 = 112,909.30/x
  3. Step 3: Cross multiply
    362,227.30x = 543,340.95 × 112,909.30
  4. Step 4: Simplify right side
    362,227.30x = 61,348,246,325.84
  5. Step 5: Solve for x
    x = 61,348,246,325.84/362,227.30
  6. Step 6: Final answer
    x = 169,363.95

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Similar ratio
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1.5x scale

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.