Home / 412,514.91-569,305.41-231,223.95

Finding the Fourth Proportional to 412,514.91, 569,305.41 and 231,223.95

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Solution

The fourth proportional to 412,514.91, 569,305.41 and 231,223.95 is: 319,108.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,514.91 : 569,305.41 = 231,223.95 : x
  2. Step 2: Convert to fraction form
    412,514.91/569,305.41 = 231,223.95/x
  3. Step 3: Cross multiply
    412,514.91x = 569,305.41 × 231,223.95
  4. Step 4: Simplify right side
    412,514.91x = 131,637,045,656.57
  5. Step 5: Solve for x
    x = 131,637,045,656.57/412,514.91
  6. Step 6: Final answer
    x = 319,108.58

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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.