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Finding the Fourth Proportional to 224,435.06, 309,726.87 and 123,839.54

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Solution

The fourth proportional to 224,435.06, 309,726.87 and 123,839.54 is: 170,902.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,435.06 : 309,726.87 = 123,839.54 : x
  2. Step 2: Convert to fraction form
    224,435.06/309,726.87 = 123,839.54/x
  3. Step 3: Cross multiply
    224,435.06x = 309,726.87 × 123,839.54
  4. Step 4: Simplify right side
    224,435.06x = 38,356,433,880.76
  5. Step 5: Solve for x
    x = 38,356,433,880.76/224,435.06
  6. Step 6: Final answer
    x = 170,902.15

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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.