Home / 438,891.35-605,719.32-247,917.04

Finding the Fourth Proportional to 438,891.35, 605,719.32 and 247,917.04

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Solution

The fourth proportional to 438,891.35, 605,719.32 and 247,917.04 is: 342,153.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,891.35 : 605,719.32 = 247,917.04 : x
  2. Step 2: Convert to fraction form
    438,891.35/605,719.32 = 247,917.04/x
  3. Step 3: Cross multiply
    438,891.35x = 605,719.32 × 247,917.04
  4. Step 4: Simplify right side
    438,891.35x = 150,168,138,441.23
  5. Step 5: Solve for x
    x = 150,168,138,441.23/438,891.35
  6. Step 6: Final answer
    x = 342,153.34

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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.