Home / 288,786.20-398,364.98-167,914.13

Finding the Fourth Proportional to 288,786.20, 398,364.98 and 167,914.13

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Solution

The fourth proportional to 288,786.20, 398,364.98 and 167,914.13 is: 231,628.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,786.20 : 398,364.98 = 167,914.13 : x
  2. Step 2: Convert to fraction form
    288,786.20/398,364.98 = 167,914.13/x
  3. Step 3: Cross multiply
    288,786.20x = 398,364.98 × 167,914.13
  4. Step 4: Simplify right side
    288,786.20x = 66,891,106,207.77
  5. Step 5: Solve for x
    x = 66,891,106,207.77/288,786.20
  6. Step 6: Final answer
    x = 231,628.48

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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.