Home / 358,772.31-495,108.32-205,817.18

Finding the Fourth Proportional to 358,772.31, 495,108.32 and 205,817.18

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Solution

The fourth proportional to 358,772.31, 495,108.32 and 205,817.18 is: 284,029.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,772.31 : 495,108.32 = 205,817.18 : x
  2. Step 2: Convert to fraction form
    358,772.31/495,108.32 = 205,817.18/x
  3. Step 3: Cross multiply
    358,772.31x = 495,108.32 × 205,817.18
  4. Step 4: Simplify right side
    358,772.31x = 101,901,794,712.31
  5. Step 5: Solve for x
    x = 101,901,794,712.31/358,772.31
  6. Step 6: Final answer
    x = 284,029.15

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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.