Home / 261,494.22-392,240.69-147,590.39

Finding the Fourth Proportional to 261,494.22, 392,240.69 and 147,590.39

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Solution

The fourth proportional to 261,494.22, 392,240.69 and 147,590.39 is: 221,385.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,494.22 : 392,240.69 = 147,590.39 : x
  2. Step 2: Convert to fraction form
    261,494.22/392,240.69 = 147,590.39/x
  3. Step 3: Cross multiply
    261,494.22x = 392,240.69 × 147,590.39
  4. Step 4: Simplify right side
    261,494.22x = 57,890,955,673.02
  5. Step 5: Solve for x
    x = 57,890,955,673.02/261,494.22
  6. Step 6: Final answer
    x = 221,385.22

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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.