Home / 297,815.28-410,988.30-161,851.52

Finding the Fourth Proportional to 297,815.28, 410,988.30 and 161,851.52

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Solution

The fourth proportional to 297,815.28, 410,988.30 and 161,851.52 is: 223,356.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,815.28 : 410,988.30 = 161,851.52 : x
  2. Step 2: Convert to fraction form
    297,815.28/410,988.30 = 161,851.52/x
  3. Step 3: Cross multiply
    297,815.28x = 410,988.30 × 161,851.52
  4. Step 4: Simplify right side
    297,815.28x = 66,519,080,531.56
  5. Step 5: Solve for x
    x = 66,519,080,531.56/297,815.28
  6. Step 6: Final answer
    x = 223,356.84

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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.