Home / 288,887.20-398,664.02-161,562.80

Finding the Fourth Proportional to 288,887.20, 398,664.02 and 161,562.80

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Solution

The fourth proportional to 288,887.20, 398,664.02 and 161,562.80 is: 222,956.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,887.20 : 398,664.02 = 161,562.80 : x
  2. Step 2: Convert to fraction form
    288,887.20/398,664.02 = 161,562.80/x
  3. Step 3: Cross multiply
    288,887.20x = 398,664.02 × 161,562.80
  4. Step 4: Simplify right side
    288,887.20x = 64,409,275,330.46
  5. Step 5: Solve for x
    x = 64,409,275,330.46/288,887.20
  6. Step 6: Final answer
    x = 222,956.49

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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.