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Finding the Fourth Proportional to 349,768.55, 482,761.28 and 204,641.87

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Solution

The fourth proportional to 349,768.55, 482,761.28 and 204,641.87 is: 282,452.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,768.55 : 482,761.28 = 204,641.87 : x
  2. Step 2: Convert to fraction form
    349,768.55/482,761.28 = 204,641.87/x
  3. Step 3: Cross multiply
    349,768.55x = 482,761.28 × 204,641.87
  4. Step 4: Simplify right side
    349,768.55x = 98,793,169,200.59
  5. Step 5: Solve for x
    x = 98,793,169,200.59/349,768.55
  6. Step 6: Final answer
    x = 282,452.98

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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.