Home / 263,881.28-395,921.55-158,774.06

Finding the Fourth Proportional to 263,881.28, 395,921.55 and 158,774.06

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Solution

The fourth proportional to 263,881.28, 395,921.55 and 158,774.06 is: 238,221.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,881.28 : 395,921.55 = 158,774.06 : x
  2. Step 2: Convert to fraction form
    263,881.28/395,921.55 = 158,774.06/x
  3. Step 3: Cross multiply
    263,881.28x = 395,921.55 × 158,774.06
  4. Step 4: Simplify right side
    263,881.28x = 62,862,071,934.99
  5. Step 5: Solve for x
    x = 62,862,071,934.99/263,881.28
  6. Step 6: Final answer
    x = 238,221.04

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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.