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Finding the Fourth Proportional to 224,228.28, 309,437.34 and 123,629.88

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Solution

The fourth proportional to 224,228.28, 309,437.34 and 123,629.88 is: 170,610.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,228.28 : 309,437.34 = 123,629.88 : x
  2. Step 2: Convert to fraction form
    224,228.28/309,437.34 = 123,629.88/x
  3. Step 3: Cross multiply
    224,228.28x = 309,437.34 × 123,629.88
  4. Step 4: Simplify right side
    224,228.28x = 38,255,701,211.72
  5. Step 5: Solve for x
    x = 38,255,701,211.72/224,228.28
  6. Step 6: Final answer
    x = 170,610.51

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1.5x scale

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.