Home / 288,679.26-398,370.30-159,614.33

Finding the Fourth Proportional to 288,679.26, 398,370.30 and 159,614.33

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Solution

The fourth proportional to 288,679.26, 398,370.30 and 159,614.33 is: 220,263.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,679.26 : 398,370.30 = 159,614.33 : x
  2. Step 2: Convert to fraction form
    288,679.26/398,370.30 = 159,614.33/x
  3. Step 3: Cross multiply
    288,679.26x = 398,370.30 × 159,614.33
  4. Step 4: Simplify right side
    288,679.26x = 63,585,609,074.66
  5. Step 5: Solve for x
    x = 63,585,609,074.66/288,679.26
  6. Step 6: Final answer
    x = 220,263.86

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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.