Home / 403,856.56-557,232.24-231,763.96

Finding the Fourth Proportional to 403,856.56, 557,232.24 and 231,763.96

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Solution

The fourth proportional to 403,856.56, 557,232.24 and 231,763.96 is: 319,782.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,856.56 : 557,232.24 = 231,763.96 : x
  2. Step 2: Convert to fraction form
    403,856.56/557,232.24 = 231,763.96/x
  3. Step 3: Cross multiply
    403,856.56x = 557,232.24 × 231,763.96
  4. Step 4: Simplify right side
    403,856.56x = 129,146,350,582.07
  5. Step 5: Solve for x
    x = 129,146,350,582.07/403,856.56
  6. Step 6: Final answer
    x = 319,782.72

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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.