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Finding the Fourth Proportional to 281,343.97, 388,259.49 and 173,911.24

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Solution

The fourth proportional to 281,343.97, 388,259.49 and 173,911.24 is: 240,000.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,343.97 : 388,259.49 = 173,911.24 : x
  2. Step 2: Convert to fraction form
    281,343.97/388,259.49 = 173,911.24/x
  3. Step 3: Cross multiply
    281,343.97x = 388,259.49 × 173,911.24
  4. Step 4: Simplify right side
    281,343.97x = 67,522,689,347.67
  5. Step 5: Solve for x
    x = 67,522,689,347.67/281,343.97
  6. Step 6: Final answer
    x = 240,000.49

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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.