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Finding the Fourth Proportional to 378,233.28, 567,432.95 and 112,014.63

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Solution

The fourth proportional to 378,233.28, 567,432.95 and 112,014.63 is: 168,046.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,233.28 : 567,432.95 = 112,014.63 : x
  2. Step 2: Convert to fraction form
    378,233.28/567,432.95 = 112,014.63/x
  3. Step 3: Cross multiply
    378,233.28x = 567,432.95 × 112,014.63
  4. Step 4: Simplify right side
    378,233.28x = 63,560,791,383.99
  5. Step 5: Solve for x
    x = 63,560,791,383.99/378,233.28
  6. Step 6: Final answer
    x = 168,046.53

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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.