Home / 266,468.12-367,721.53-145,606.62

Finding the Fourth Proportional to 266,468.12, 367,721.53 and 145,606.62

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Solution

The fourth proportional to 266,468.12, 367,721.53 and 145,606.62 is: 200,934.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,468.12 : 367,721.53 = 145,606.62 : x
  2. Step 2: Convert to fraction form
    266,468.12/367,721.53 = 145,606.62/x
  3. Step 3: Cross multiply
    266,468.12x = 367,721.53 × 145,606.62
  4. Step 4: Simplify right side
    266,468.12x = 53,542,689,084.53
  5. Step 5: Solve for x
    x = 53,542,689,084.53/266,468.12
  6. Step 6: Final answer
    x = 200,934.69

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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.