Home / 288,316.26-397,856.61-160,974.54

Finding the Fourth Proportional to 288,316.26, 397,856.61 and 160,974.54

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Solution

The fourth proportional to 288,316.26, 397,856.61 and 160,974.54 is: 222,133.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,316.26 : 397,856.61 = 160,974.54 : x
  2. Step 2: Convert to fraction form
    288,316.26/397,856.61 = 160,974.54/x
  3. Step 3: Cross multiply
    288,316.26x = 397,856.61 × 160,974.54
  4. Step 4: Simplify right side
    288,316.26x = 64,044,784,780.71
  5. Step 5: Solve for x
    x = 64,044,784,780.71/288,316.26
  6. Step 6: Final answer
    x = 222,133.79

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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.