Home / 261,986.97-361,580.30-147,275.06

Finding the Fourth Proportional to 261,986.97, 361,580.30 and 147,275.06

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Solution

The fourth proportional to 261,986.97, 361,580.30 and 147,275.06 is: 203,261.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,986.97 : 361,580.30 = 147,275.06 : x
  2. Step 2: Convert to fraction form
    261,986.97/361,580.30 = 147,275.06/x
  3. Step 3: Cross multiply
    261,986.97x = 361,580.30 × 147,275.06
  4. Step 4: Simplify right side
    261,986.97x = 53,251,761,247.63
  5. Step 5: Solve for x
    x = 53,251,761,247.63/261,986.97
  6. Step 6: Final answer
    x = 203,261.11

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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.