Home / 358,691.40-494,975.16-205,721.73

Finding the Fourth Proportional to 358,691.40, 494,975.16 and 205,721.73

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Solution

The fourth proportional to 358,691.40, 494,975.16 and 205,721.73 is: 283,885.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,691.40 : 494,975.16 = 205,721.73 : x
  2. Step 2: Convert to fraction form
    358,691.40/494,975.16 = 205,721.73/x
  3. Step 3: Cross multiply
    358,691.40x = 494,975.16 × 205,721.73
  4. Step 4: Simplify right side
    358,691.40x = 101,827,146,222.23
  5. Step 5: Solve for x
    x = 101,827,146,222.23/358,691.40
  6. Step 6: Final answer
    x = 283,885.11

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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.