Home / 358,687.07-494,972.19-205,615.52

Finding the Fourth Proportional to 358,687.07, 494,972.19 and 205,615.52

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Solution

The fourth proportional to 358,687.07, 494,972.19 and 205,615.52 is: 283,740.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,687.07 : 494,972.19 = 205,615.52 : x
  2. Step 2: Convert to fraction form
    358,687.07/494,972.19 = 205,615.52/x
  3. Step 3: Cross multiply
    358,687.07x = 494,972.19 × 205,615.52
  4. Step 4: Simplify right side
    358,687.07x = 101,773,961,757.53
  5. Step 5: Solve for x
    x = 101,773,961,757.53/358,687.07
  6. Step 6: Final answer
    x = 283,740.26

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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.