Home / 349,628.82-482,351.13-196,631.92

Finding the Fourth Proportional to 349,628.82, 482,351.13 and 196,631.92

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Solution

The fourth proportional to 349,628.82, 482,351.13 and 196,631.92 is: 271,275.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,628.82 : 482,351.13 = 196,631.92 : x
  2. Step 2: Convert to fraction form
    349,628.82/482,351.13 = 196,631.92/x
  3. Step 3: Cross multiply
    349,628.82x = 482,351.13 × 196,631.92
  4. Step 4: Simplify right side
    349,628.82x = 94,845,628,806.07
  5. Step 5: Solve for x
    x = 94,845,628,806.07/349,628.82
  6. Step 6: Final answer
    x = 271,275.20

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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.