Home / 349,631.56-482,486.70-196,658.20

Finding the Fourth Proportional to 349,631.56, 482,486.70 and 196,658.20

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Solution

The fourth proportional to 349,631.56, 482,486.70 and 196,658.20 is: 271,385.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,631.56 : 482,486.70 = 196,658.20 : x
  2. Step 2: Convert to fraction form
    349,631.56/482,486.70 = 196,658.20/x
  3. Step 3: Cross multiply
    349,631.56x = 482,486.70 × 196,658.20
  4. Step 4: Simplify right side
    349,631.56x = 94,884,965,945.94
  5. Step 5: Solve for x
    x = 94,884,965,945.94/349,631.56
  6. Step 6: Final answer
    x = 271,385.59

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1.5x scale

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.