Home / 317,708.82-438,438.17-174,471.26

Finding the Fourth Proportional to 317,708.82, 438,438.17 and 174,471.26

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Solution

The fourth proportional to 317,708.82, 438,438.17 and 174,471.26 is: 240,770.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,708.82 : 438,438.17 = 174,471.26 : x
  2. Step 2: Convert to fraction form
    317,708.82/438,438.17 = 174,471.26/x
  3. Step 3: Cross multiply
    317,708.82x = 438,438.17 × 174,471.26
  4. Step 4: Simplify right side
    317,708.82x = 76,494,856,887.45
  5. Step 5: Solve for x
    x = 76,494,856,887.45/317,708.82
  6. Step 6: Final answer
    x = 240,770.33

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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.