Home / 438,849.52-605,612.76-247,863.28

Finding the Fourth Proportional to 438,849.52, 605,612.76 and 247,863.28

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Solution

The fourth proportional to 438,849.52, 605,612.76 and 247,863.28 is: 342,051.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,849.52 : 605,612.76 = 247,863.28 : x
  2. Step 2: Convert to fraction form
    438,849.52/605,612.76 = 247,863.28/x
  3. Step 3: Cross multiply
    438,849.52x = 605,612.76 × 247,863.28
  4. Step 4: Simplify right side
    438,849.52x = 150,109,165,103.45
  5. Step 5: Solve for x
    x = 150,109,165,103.45/438,849.52
  6. Step 6: Final answer
    x = 342,051.56

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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.