Home / 288,667.26-398,344.67-159,598.22

Finding the Fourth Proportional to 288,667.26, 398,344.67 and 159,598.22

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Solution

The fourth proportional to 288,667.26, 398,344.67 and 159,598.22 is: 220,236.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,667.26 : 398,344.67 = 159,598.22 : x
  2. Step 2: Convert to fraction form
    288,667.26/398,344.67 = 159,598.22/x
  3. Step 3: Cross multiply
    288,667.26x = 398,344.67 × 159,598.22
  4. Step 4: Simplify right side
    288,667.26x = 63,575,098,087.27
  5. Step 5: Solve for x
    x = 63,575,098,087.27/288,667.26
  6. Step 6: Final answer
    x = 220,236.61

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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.