Home / 212,305.91-318,476.15-60,514.59

Finding the Fourth Proportional to 212,305.91, 318,476.15 and 60,514.59

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Solution

The fourth proportional to 212,305.91, 318,476.15 and 60,514.59 is: 90,776.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,305.91 : 318,476.15 = 60,514.59 : x
  2. Step 2: Convert to fraction form
    212,305.91/318,476.15 = 60,514.59/x
  3. Step 3: Cross multiply
    212,305.91x = 318,476.15 × 60,514.59
  4. Step 4: Simplify right side
    212,305.91x = 19,272,453,339.46
  5. Step 5: Solve for x
    x = 19,272,453,339.46/212,305.91
  6. Step 6: Final answer
    x = 90,776.81

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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.