Home / 284,219.12-426,351.36-165,902.42

Finding the Fourth Proportional to 284,219.12, 426,351.36 and 165,902.42

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Solution

The fourth proportional to 284,219.12, 426,351.36 and 165,902.42 is: 248,866.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,219.12 : 426,351.36 = 165,902.42 : x
  2. Step 2: Convert to fraction form
    284,219.12/426,351.36 = 165,902.42/x
  3. Step 3: Cross multiply
    284,219.12x = 426,351.36 × 165,902.42
  4. Step 4: Simplify right side
    284,219.12x = 70,732,722,394.29
  5. Step 5: Solve for x
    x = 70,732,722,394.29/284,219.12
  6. Step 6: Final answer
    x = 248,866.87

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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.