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Finding the Fourth Proportional to 224,240.61, 309,437.33 and 123,639.33

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Solution

The fourth proportional to 224,240.61, 309,437.33 and 123,639.33 is: 170,614.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,240.61 : 309,437.33 = 123,639.33 : x
  2. Step 2: Convert to fraction form
    224,240.61/309,437.33 = 123,639.33/x
  3. Step 3: Cross multiply
    224,240.61x = 309,437.33 × 123,639.33
  4. Step 4: Simplify right side
    224,240.61x = 38,258,623,539.99
  5. Step 5: Solve for x
    x = 38,258,623,539.99/224,240.61
  6. Step 6: Final answer
    x = 170,614.16

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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.