Home / 382,701.20-574,181.52-169,439.70

Finding the Fourth Proportional to 382,701.20, 574,181.52 and 169,439.70

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Solution

The fourth proportional to 382,701.20, 574,181.52 and 169,439.70 is: 254,216.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,701.20 : 574,181.52 = 169,439.70 : x
  2. Step 2: Convert to fraction form
    382,701.20/574,181.52 = 169,439.70/x
  3. Step 3: Cross multiply
    382,701.20x = 574,181.52 × 169,439.70
  4. Step 4: Simplify right side
    382,701.20x = 97,289,142,976.56
  5. Step 5: Solve for x
    x = 97,289,142,976.56/382,701.20
  6. Step 6: Final answer
    x = 254,216.98

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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.