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Finding the Fourth Proportional to 349,492.88, 482,285.88 and 196,526.72

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Solution

The fourth proportional to 349,492.88, 482,285.88 and 196,526.72 is: 271,198.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,492.88 : 482,285.88 = 196,526.72 : x
  2. Step 2: Convert to fraction form
    349,492.88/482,285.88 = 196,526.72/x
  3. Step 3: Cross multiply
    349,492.88x = 482,285.88 × 196,526.72
  4. Step 4: Simplify right side
    349,492.88x = 94,782,062,098.71
  5. Step 5: Solve for x
    x = 94,782,062,098.71/349,492.88
  6. Step 6: Final answer
    x = 271,198.84

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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.