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Finding the Fourth Proportional to 224,319.90, 309,552.87 and 123,717.90

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Solution

The fourth proportional to 224,319.90, 309,552.87 and 123,717.90 is: 170,725.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,319.90 : 309,552.87 = 123,717.90 : x
  2. Step 2: Convert to fraction form
    224,319.90/309,552.87 = 123,717.90/x
  3. Step 3: Cross multiply
    224,319.90x = 309,552.87 × 123,717.90
  4. Step 4: Simplify right side
    224,319.90x = 38,297,231,015.37
  5. Step 5: Solve for x
    x = 38,297,231,015.37/224,319.90
  6. Step 6: Final answer
    x = 170,725.96

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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.