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Finding the Fourth Proportional to 295,687.40, 443,531.10 and 183,494.30

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Solution

The fourth proportional to 295,687.40, 443,531.10 and 183,494.30 is: 275,241.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,687.40 : 443,531.10 = 183,494.30 : x
  2. Step 2: Convert to fraction form
    295,687.40/443,531.10 = 183,494.30/x
  3. Step 3: Cross multiply
    295,687.40x = 443,531.10 × 183,494.30
  4. Step 4: Simplify right side
    295,687.40x = 81,385,428,722.73
  5. Step 5: Solve for x
    x = 81,385,428,722.73/295,687.40
  6. Step 6: Final answer
    x = 275,241.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.