Home / 312,635.24-431,416.61-174,825.54

Finding the Fourth Proportional to 312,635.24, 431,416.61 and 174,825.54

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Solution

The fourth proportional to 312,635.24, 431,416.61 and 174,825.54 is: 241,248.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,635.24 : 431,416.61 = 174,825.54 : x
  2. Step 2: Convert to fraction form
    312,635.24/431,416.61 = 174,825.54/x
  3. Step 3: Cross multiply
    312,635.24x = 431,416.61 × 174,825.54
  4. Step 4: Simplify right side
    312,635.24x = 75,422,642,245.28
  5. Step 5: Solve for x
    x = 75,422,642,245.28/312,635.24
  6. Step 6: Final answer
    x = 241,248.05

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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.