Home / 220,711.43-331,064.79-146,165.10

Finding the Fourth Proportional to 220,711.43, 331,064.79 and 146,165.10

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Solution

The fourth proportional to 220,711.43, 331,064.79 and 146,165.10 is: 219,246.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,711.43 : 331,064.79 = 146,165.10 : x
  2. Step 2: Convert to fraction form
    220,711.43/331,064.79 = 146,165.10/x
  3. Step 3: Cross multiply
    220,711.43x = 331,064.79 × 146,165.10
  4. Step 4: Simplify right side
    220,711.43x = 48,390,118,136.83
  5. Step 5: Solve for x
    x = 48,390,118,136.83/220,711.43
  6. Step 6: Final answer
    x = 219,246.10

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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.