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Finding the Fourth Proportional to 224,240.86, 309,437.67 and 123,639.58

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Solution

The fourth proportional to 224,240.86, 309,437.67 and 123,639.58 is: 170,614.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,240.86 : 309,437.67 = 123,639.58 : x
  2. Step 2: Convert to fraction form
    224,240.86/309,437.67 = 123,639.58/x
  3. Step 3: Cross multiply
    224,240.86x = 309,437.67 × 123,639.58
  4. Step 4: Simplify right side
    224,240.86x = 38,258,743,554.98
  5. Step 5: Solve for x
    x = 38,258,743,554.98/224,240.86
  6. Step 6: Final answer
    x = 170,614.51

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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.