Home / 317,707.82-438,436.78-174,470.25

Finding the Fourth Proportional to 317,707.82, 438,436.78 and 174,470.25

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Solution

The fourth proportional to 317,707.82, 438,436.78 and 174,470.25 is: 240,768.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,707.82 : 438,436.78 = 174,470.25 : x
  2. Step 2: Convert to fraction form
    317,707.82/438,436.78 = 174,470.25/x
  3. Step 3: Cross multiply
    317,707.82x = 438,436.78 × 174,470.25
  4. Step 4: Simplify right side
    317,707.82x = 76,494,174,615.80
  5. Step 5: Solve for x
    x = 76,494,174,615.80/317,707.82
  6. Step 6: Final answer
    x = 240,768.94

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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.