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Finding the Fourth Proportional to 349,528.71, 482,345.04 and 196,566.87

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Solution

The fourth proportional to 349,528.71, 482,345.04 and 196,566.87 is: 271,259.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,528.71 : 482,345.04 = 196,566.87 : x
  2. Step 2: Convert to fraction form
    349,528.71/482,345.04 = 196,566.87/x
  3. Step 3: Cross multiply
    349,528.71x = 482,345.04 × 196,566.87
  4. Step 4: Simplify right side
    349,528.71x = 94,813,054,772.82
  5. Step 5: Solve for x
    x = 94,813,054,772.82/349,528.71
  6. Step 6: Final answer
    x = 271,259.71

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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.