Home / 388,057.20-581,385.30-163,014.90

Finding the Fourth Proportional to 388,057.20, 581,385.30 and 163,014.90

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Solution

The fourth proportional to 388,057.20, 581,385.30 and 163,014.90 is: 244,228.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,057.20 : 581,385.30 = 163,014.90 : x
  2. Step 2: Convert to fraction form
    388,057.20/581,385.30 = 163,014.90/x
  3. Step 3: Cross multiply
    388,057.20x = 581,385.30 × 163,014.90
  4. Step 4: Simplify right side
    388,057.20x = 94,774,466,540.97
  5. Step 5: Solve for x
    x = 94,774,466,540.97/388,057.20
  6. Step 6: Final answer
    x = 244,228.08

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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.