Home / 288,350.22-397,934.55-159,295.35

Finding the Fourth Proportional to 288,350.22, 397,934.55 and 159,295.35

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Solution

The fourth proportional to 288,350.22, 397,934.55 and 159,295.35 is: 219,833.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,350.22 : 397,934.55 = 159,295.35 : x
  2. Step 2: Convert to fraction form
    288,350.22/397,934.55 = 159,295.35/x
  3. Step 3: Cross multiply
    288,350.22x = 397,934.55 × 159,295.35
  4. Step 4: Simplify right side
    288,350.22x = 63,389,123,419.34
  5. Step 5: Solve for x
    x = 63,389,123,419.34/288,350.22
  6. Step 6: Final answer
    x = 219,833.80

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1.5x scale

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.