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Finding the Fourth Proportional to 281,676.94, 388,487.80 and 247,612.92

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Solution

The fourth proportional to 281,676.94, 388,487.80 and 247,612.92 is: 341,506.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,676.94 : 388,487.80 = 247,612.92 : x
  2. Step 2: Convert to fraction form
    281,676.94/388,487.80 = 247,612.92/x
  3. Step 3: Cross multiply
    281,676.94x = 388,487.80 × 247,612.92
  4. Step 4: Simplify right side
    281,676.94x = 96,194,598,542.38
  5. Step 5: Solve for x
    x = 96,194,598,542.38/281,676.94
  6. Step 6: Final answer
    x = 341,506.83

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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.