Home / 412,521.05-569,305.35-231,233.02

Finding the Fourth Proportional to 412,521.05, 569,305.35 and 231,233.02

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Solution

The fourth proportional to 412,521.05, 569,305.35 and 231,233.02 is: 319,116.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,521.05 : 569,305.35 = 231,233.02 : x
  2. Step 2: Convert to fraction form
    412,521.05/569,305.35 = 231,233.02/x
  3. Step 3: Cross multiply
    412,521.05x = 569,305.35 × 231,233.02
  4. Step 4: Simplify right side
    412,521.05x = 131,642,193,959.39
  5. Step 5: Solve for x
    x = 131,642,193,959.39/412,521.05
  6. Step 6: Final answer
    x = 319,116.30

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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.