Home / 261,284.28-360,540-159,272.88

Finding the Fourth Proportional to 261,284.28, 360,540 and 159,272.88

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Solution

The fourth proportional to 261,284.28, 360,540 and 159,272.88 is: 219,776.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,284.28 : 360,540 = 159,272.88 : x
  2. Step 2: Convert to fraction form
    261,284.28/360,540 = 159,272.88/x
  3. Step 3: Cross multiply
    261,284.28x = 360,540 × 159,272.88
  4. Step 4: Simplify right side
    261,284.28x = 57,424,244,155.20
  5. Step 5: Solve for x
    x = 57,424,244,155.20/261,284.28
  6. Step 6: Final answer
    x = 219,776.88

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1.5x scale

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.