Home / 325,116.80-487,675.20-272,628.80

Finding the Fourth Proportional to 325,116.80, 487,675.20 and 272,628.80

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Solution

The fourth proportional to 325,116.80, 487,675.20 and 272,628.80 is: 408,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,116.80 : 487,675.20 = 272,628.80 : x
  2. Step 2: Convert to fraction form
    325,116.80/487,675.20 = 272,628.80/x
  3. Step 3: Cross multiply
    325,116.80x = 487,675.20 × 272,628.80
  4. Step 4: Simplify right side
    325,116.80x = 132,954,304,565.76
  5. Step 5: Solve for x
    x = 132,954,304,565.76/325,116.80
  6. Step 6: Final answer
    x = 408,943.20

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1.5x scale

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.