Home / 317,440.96-438,067.23-174,203.39

Finding the Fourth Proportional to 317,440.96, 438,067.23 and 174,203.39

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Solution

The fourth proportional to 317,440.96, 438,067.23 and 174,203.39 is: 240,399.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,440.96 : 438,067.23 = 174,203.39 : x
  2. Step 2: Convert to fraction form
    317,440.96/438,067.23 = 174,203.39/x
  3. Step 3: Cross multiply
    317,440.96x = 438,067.23 × 174,203.39
  4. Step 4: Simplify right side
    317,440.96x = 76,312,796,513.91
  5. Step 5: Solve for x
    x = 76,312,796,513.91/317,440.96
  6. Step 6: Final answer
    x = 240,399.97

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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.