Home / 388,373.88-582,787.18-163,720.52

Finding the Fourth Proportional to 388,373.88, 582,787.18 and 163,720.52

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Solution

The fourth proportional to 388,373.88, 582,787.18 and 163,720.52 is: 245,676.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,373.88 : 582,787.18 = 163,720.52 : x
  2. Step 2: Convert to fraction form
    388,373.88/582,787.18 = 163,720.52/x
  3. Step 3: Cross multiply
    388,373.88x = 582,787.18 × 163,720.52
  4. Step 4: Simplify right side
    388,373.88x = 95,414,220,158.93
  5. Step 5: Solve for x
    x = 95,414,220,158.93/388,373.88
  6. Step 6: Final answer
    x = 245,676.20

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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.