Home / 288,581.44-432,859.85-281,823.61

Finding the Fourth Proportional to 288,581.44, 432,859.85 and 281,823.61

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Solution

The fourth proportional to 288,581.44, 432,859.85 and 281,823.61 is: 422,723.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,581.44 : 432,859.85 = 281,823.61 : x
  2. Step 2: Convert to fraction form
    288,581.44/432,859.85 = 281,823.61/x
  3. Step 3: Cross multiply
    288,581.44x = 432,859.85 × 281,823.61
  4. Step 4: Simplify right side
    288,581.44x = 121,990,121,977.64
  5. Step 5: Solve for x
    x = 121,990,121,977.64/288,581.44
  6. Step 6: Final answer
    x = 422,723.39

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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.