Home / 288,747.02-398,483.25-161,422.58

Finding the Fourth Proportional to 288,747.02, 398,483.25 and 161,422.58

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Solution

The fourth proportional to 288,747.02, 398,483.25 and 161,422.58 is: 222,770.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,747.02 : 398,483.25 = 161,422.58 : x
  2. Step 2: Convert to fraction form
    288,747.02/398,483.25 = 161,422.58/x
  3. Step 3: Cross multiply
    288,747.02x = 398,483.25 × 161,422.58
  4. Step 4: Simplify right side
    288,747.02x = 64,324,194,301.79
  5. Step 5: Solve for x
    x = 64,324,194,301.79/288,747.02
  6. Step 6: Final answer
    x = 222,770.07

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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.