Home / 317,707.31-438,436.09-174,469.75

Finding the Fourth Proportional to 317,707.31, 438,436.09 and 174,469.75

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Solution

The fourth proportional to 317,707.31, 438,436.09 and 174,469.75 is: 240,768.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,707.31 : 438,436.09 = 174,469.75 : x
  2. Step 2: Convert to fraction form
    317,707.31/438,436.09 = 174,469.75/x
  3. Step 3: Cross multiply
    317,707.31x = 438,436.09 × 174,469.75
  4. Step 4: Simplify right side
    317,707.31x = 76,493,834,135.27
  5. Step 5: Solve for x
    x = 76,493,834,135.27/317,707.31
  6. Step 6: Final answer
    x = 240,768.25

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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.