Home / 288,821.44-433,238.10-89,141.96

Finding the Fourth Proportional to 288,821.44, 433,238.10 and 89,141.96

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Solution

The fourth proportional to 288,821.44, 433,238.10 and 89,141.96 is: 133,714.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,821.44 : 433,238.10 = 89,141.96 : x
  2. Step 2: Convert to fraction form
    288,821.44/433,238.10 = 89,141.96/x
  3. Step 3: Cross multiply
    288,821.44x = 433,238.10 × 89,141.96
  4. Step 4: Simplify right side
    288,821.44x = 38,619,693,380.68
  5. Step 5: Solve for x
    x = 38,619,693,380.68/288,821.44
  6. Step 6: Final answer
    x = 133,714.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.