Home / 288,334.26-397,899.69-159,281.61

Finding the Fourth Proportional to 288,334.26, 397,899.69 and 159,281.61

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Solution

The fourth proportional to 288,334.26, 397,899.69 and 159,281.61 is: 219,807.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,334.26 : 397,899.69 = 159,281.61 : x
  2. Step 2: Convert to fraction form
    288,334.26/397,899.69 = 159,281.61/x
  3. Step 3: Cross multiply
    288,334.26x = 397,899.69 × 159,281.61
  4. Step 4: Simplify right side
    288,334.26x = 63,378,103,241.70
  5. Step 5: Solve for x
    x = 63,378,103,241.70/288,334.26
  6. Step 6: Final answer
    x = 219,807.74

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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.