Home / 356,013.13-491,298.86-194,878.47

Finding the Fourth Proportional to 356,013.13, 491,298.86 and 194,878.47

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Solution

The fourth proportional to 356,013.13, 491,298.86 and 194,878.47 is: 268,932.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,013.13 : 491,298.86 = 194,878.47 : x
  2. Step 2: Convert to fraction form
    356,013.13/491,298.86 = 194,878.47/x
  3. Step 3: Cross multiply
    356,013.13x = 491,298.86 × 194,878.47
  4. Step 4: Simplify right side
    356,013.13x = 95,743,570,149.54
  5. Step 5: Solve for x
    x = 95,743,570,149.54/356,013.13
  6. Step 6: Final answer
    x = 268,932.69

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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.