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Finding the Fourth Proportional to 373,505.68, 560,258.22 and 136,866.88

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Solution

The fourth proportional to 373,505.68, 560,258.22 and 136,866.88 is: 205,300.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,505.68 : 560,258.22 = 136,866.88 : x
  2. Step 2: Convert to fraction form
    373,505.68/560,258.22 = 136,866.88/x
  3. Step 3: Cross multiply
    373,505.68x = 560,258.22 × 136,866.88
  4. Step 4: Simplify right side
    373,505.68x = 76,680,794,565.75
  5. Step 5: Solve for x
    x = 76,680,794,565.75/373,505.68
  6. Step 6: Final answer
    x = 205,300.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.