Home / 268,819.20-370,814.40-161,327.52

Finding the Fourth Proportional to 268,819.20, 370,814.40 and 161,327.52

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Solution

The fourth proportional to 268,819.20, 370,814.40 and 161,327.52 is: 222,538.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,819.20 : 370,814.40 = 161,327.52 : x
  2. Step 2: Convert to fraction form
    268,819.20/370,814.40 = 161,327.52/x
  3. Step 3: Cross multiply
    268,819.20x = 370,814.40 × 161,327.52
  4. Step 4: Simplify right side
    268,819.20x = 59,822,567,532.29
  5. Step 5: Solve for x
    x = 59,822,567,532.29/268,819.20
  6. Step 6: Final answer
    x = 222,538.30

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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.