Home / 254,721.25-382,140.20-88,509.25

Finding the Fourth Proportional to 254,721.25, 382,140.20 and 88,509.25

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Solution

The fourth proportional to 254,721.25, 382,140.20 and 88,509.25 is: 132,784.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,721.25 : 382,140.20 = 88,509.25 : x
  2. Step 2: Convert to fraction form
    254,721.25/382,140.20 = 88,509.25/x
  3. Step 3: Cross multiply
    254,721.25x = 382,140.20 × 88,509.25
  4. Step 4: Simplify right side
    254,721.25x = 33,822,942,496.85
  5. Step 5: Solve for x
    x = 33,822,942,496.85/254,721.25
  6. Step 6: Final answer
    x = 132,784.14

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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.