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Finding the Fourth Proportional to 349,521.95, 482,335.68 and 196,560.10

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Solution

The fourth proportional to 349,521.95, 482,335.68 and 196,560.10 is: 271,250.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,521.95 : 482,335.68 = 196,560.10 : x
  2. Step 2: Convert to fraction form
    349,521.95/482,335.68 = 196,560.10/x
  3. Step 3: Cross multiply
    349,521.95x = 482,335.68 × 196,560.10
  4. Step 4: Simplify right side
    349,521.95x = 94,807,949,494.37
  5. Step 5: Solve for x
    x = 94,807,949,494.37/349,521.95
  6. Step 6: Final answer
    x = 271,250.34

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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.