Home / 261,863.24-392,515.25-149,301.05

Finding the Fourth Proportional to 261,863.24, 392,515.25 and 149,301.05

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Solution

The fourth proportional to 261,863.24, 392,515.25 and 149,301.05 is: 223,792.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,863.24 : 392,515.25 = 149,301.05 : x
  2. Step 2: Convert to fraction form
    261,863.24/392,515.25 = 149,301.05/x
  3. Step 3: Cross multiply
    261,863.24x = 392,515.25 × 149,301.05
  4. Step 4: Simplify right side
    261,863.24x = 58,602,936,256.93
  5. Step 5: Solve for x
    x = 58,602,936,256.93/261,863.24
  6. Step 6: Final answer
    x = 223,792.15

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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.