Home / 349,799.64-482,721.28-198,896.64

Finding the Fourth Proportional to 349,799.64, 482,721.28 and 198,896.64

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Solution

The fourth proportional to 349,799.64, 482,721.28 and 198,896.64 is: 274,476.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,799.64 : 482,721.28 = 198,896.64 : x
  2. Step 2: Convert to fraction form
    349,799.64/482,721.28 = 198,896.64/x
  3. Step 3: Cross multiply
    349,799.64x = 482,721.28 × 198,896.64
  4. Step 4: Simplify right side
    349,799.64x = 96,011,640,648.50
  5. Step 5: Solve for x
    x = 96,011,640,648.50/349,799.64
  6. Step 6: Final answer
    x = 274,476.10

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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.