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Finding the Fourth Proportional to 355,800.17, 491,002.48 and 194,652.29

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Solution

The fourth proportional to 355,800.17, 491,002.48 and 194,652.29 is: 268,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,800.17 : 491,002.48 = 194,652.29 : x
  2. Step 2: Convert to fraction form
    355,800.17/491,002.48 = 194,652.29/x
  3. Step 3: Cross multiply
    355,800.17x = 491,002.48 × 194,652.29
  4. Step 4: Simplify right side
    355,800.17x = 95,574,757,127.68
  5. Step 5: Solve for x
    x = 95,574,757,127.68/355,800.17
  6. Step 6: Final answer
    x = 268,619.20

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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.