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Finding the Fourth Proportional to 349,522.71, 482,336.71 and 196,560.85

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Solution

The fourth proportional to 349,522.71, 482,336.71 and 196,560.85 is: 271,251.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,522.71 : 482,336.71 = 196,560.85 : x
  2. Step 2: Convert to fraction form
    349,522.71/482,336.71 = 196,560.85/x
  3. Step 3: Cross multiply
    349,522.71x = 482,336.71 × 196,560.85
  4. Step 4: Simplify right side
    349,522.71x = 94,808,513,703.80
  5. Step 5: Solve for x
    x = 94,808,513,703.80/349,522.71
  6. Step 6: Final answer
    x = 271,251.37

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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.