Home / 360,915.82-497,949.33-209,983.66

Finding the Fourth Proportional to 360,915.82, 497,949.33 and 209,983.66

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Solution

The fourth proportional to 360,915.82, 497,949.33 and 209,983.66 is: 289,710.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,915.82 : 497,949.33 = 209,983.66 : x
  2. Step 2: Convert to fraction form
    360,915.82/497,949.33 = 209,983.66/x
  3. Step 3: Cross multiply
    360,915.82x = 497,949.33 × 209,983.66
  4. Step 4: Simplify right side
    360,915.82x = 104,561,222,807.95
  5. Step 5: Solve for x
    x = 104,561,222,807.95/360,915.82
  6. Step 6: Final answer
    x = 289,710.83

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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.