Home / 317,558.64-438,229.20-174,321.12

Finding the Fourth Proportional to 317,558.64, 438,229.20 and 174,321.12

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Solution

The fourth proportional to 317,558.64, 438,229.20 and 174,321.12 is: 240,562.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,558.64 : 438,229.20 = 174,321.12 : x
  2. Step 2: Convert to fraction form
    317,558.64/438,229.20 = 174,321.12/x
  3. Step 3: Cross multiply
    317,558.64x = 438,229.20 × 174,321.12
  4. Step 4: Simplify right side
    317,558.64x = 76,392,604,960.70
  5. Step 5: Solve for x
    x = 76,392,604,960.70/317,558.64
  6. Step 6: Final answer
    x = 240,562.20

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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.