Home / 261,845.45-392,940.41-143,599.83

Finding the Fourth Proportional to 261,845.45, 392,940.41 and 143,599.83

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Solution

The fourth proportional to 261,845.45, 392,940.41 and 143,599.83 is: 215,494.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,845.45 : 392,940.41 = 143,599.83 : x
  2. Step 2: Convert to fraction form
    261,845.45/392,940.41 = 143,599.83/x
  3. Step 3: Cross multiply
    261,845.45x = 392,940.41 × 143,599.83
  4. Step 4: Simplify right side
    261,845.45x = 56,426,175,358.13
  5. Step 5: Solve for x
    x = 56,426,175,358.13/261,845.45
  6. Step 6: Final answer
    x = 215,494.20

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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.