Home / 439,104.18-605,948.25-248,113.47

Finding the Fourth Proportional to 439,104.18, 605,948.25 and 248,113.47

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Solution

The fourth proportional to 439,104.18, 605,948.25 and 248,113.47 is: 342,387.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,104.18 : 605,948.25 = 248,113.47 : x
  2. Step 2: Convert to fraction form
    439,104.18/605,948.25 = 248,113.47/x
  3. Step 3: Cross multiply
    439,104.18x = 605,948.25 × 248,113.47
  4. Step 4: Simplify right side
    439,104.18x = 150,343,922,947.93
  5. Step 5: Solve for x
    x = 150,343,922,947.93/439,104.18
  6. Step 6: Final answer
    x = 342,387.82

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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.