Home / 259,823.75-358,275.78-225,538.43

Finding the Fourth Proportional to 259,823.75, 358,275.78 and 225,538.43

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Solution

The fourth proportional to 259,823.75, 358,275.78 and 225,538.43 is: 310,999.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,823.75 : 358,275.78 = 225,538.43 : x
  2. Step 2: Convert to fraction form
    259,823.75/358,275.78 = 225,538.43/x
  3. Step 3: Cross multiply
    259,823.75x = 358,275.78 × 225,538.43
  4. Step 4: Simplify right side
    259,823.75x = 80,804,955,136.85
  5. Step 5: Solve for x
    x = 80,804,955,136.85/259,823.75
  6. Step 6: Final answer
    x = 310,999.12

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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.