Home / 384,989.76-577,517.04-141,896.88

Finding the Fourth Proportional to 384,989.76, 577,517.04 and 141,896.88

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Solution

The fourth proportional to 384,989.76, 577,517.04 and 141,896.88 is: 212,857.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,989.76 : 577,517.04 = 141,896.88 : x
  2. Step 2: Convert to fraction form
    384,989.76/577,517.04 = 141,896.88/x
  3. Step 3: Cross multiply
    384,989.76x = 577,517.04 × 141,896.88
  4. Step 4: Simplify right side
    384,989.76x = 81,947,866,122.84
  5. Step 5: Solve for x
    x = 81,947,866,122.84/384,989.76
  6. Step 6: Final answer
    x = 212,857.26

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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.