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Finding the Fourth Proportional to 281,744.10, 388,846.73 and 174,348.74

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Solution

The fourth proportional to 281,744.10, 388,846.73 and 174,348.74 is: 240,625.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,744.10 : 388,846.73 = 174,348.74 : x
  2. Step 2: Convert to fraction form
    281,744.10/388,846.73 = 174,348.74/x
  3. Step 3: Cross multiply
    281,744.10x = 388,846.73 × 174,348.74
  4. Step 4: Simplify right side
    281,744.10x = 67,794,934,612.64
  5. Step 5: Solve for x
    x = 67,794,934,612.64/281,744.10
  6. Step 6: Final answer
    x = 240,625.92

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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.