Home / 288,948.40-398,766.54-161,632.60

Finding the Fourth Proportional to 288,948.40, 398,766.54 and 161,632.60

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Solution

The fourth proportional to 288,948.40, 398,766.54 and 161,632.60 is: 223,062.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,948.40 : 398,766.54 = 161,632.60 : x
  2. Step 2: Convert to fraction form
    288,948.40/398,766.54 = 161,632.60/x
  3. Step 3: Cross multiply
    288,948.40x = 398,766.54 × 161,632.60
  4. Step 4: Simplify right side
    288,948.40x = 64,453,672,262.41
  5. Step 5: Solve for x
    x = 64,453,672,262.41/288,948.40
  6. Step 6: Final answer
    x = 223,062.92

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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.