Home / 279,517.38-385,730.16-152,193

Finding the Fourth Proportional to 279,517.38, 385,730.16 and 152,193

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Solution

The fourth proportional to 279,517.38, 385,730.16 and 152,193 is: 210,024.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,517.38 : 385,730.16 = 152,193 : x
  2. Step 2: Convert to fraction form
    279,517.38/385,730.16 = 152,193/x
  3. Step 3: Cross multiply
    279,517.38x = 385,730.16 × 152,193
  4. Step 4: Simplify right side
    279,517.38x = 58,705,430,240.88
  5. Step 5: Solve for x
    x = 58,705,430,240.88/279,517.38
  6. Step 6: Final answer
    x = 210,024.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.