Home / 317,632.91-438,334.29-174,402.23

Finding the Fourth Proportional to 317,632.91, 438,334.29 and 174,402.23

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Solution

The fourth proportional to 317,632.91, 438,334.29 and 174,402.23 is: 240,675.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,632.91 : 438,334.29 = 174,402.23 : x
  2. Step 2: Convert to fraction form
    317,632.91/438,334.29 = 174,402.23/x
  3. Step 3: Cross multiply
    317,632.91x = 438,334.29 × 174,402.23
  4. Step 4: Simplify right side
    317,632.91x = 76,446,475,469.80
  5. Step 5: Solve for x
    x = 76,446,475,469.80/317,632.91
  6. Step 6: Final answer
    x = 240,675.55

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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.