Home / 438,908.45-605,742.96-247,934.13

Finding the Fourth Proportional to 438,908.45, 605,742.96 and 247,934.13

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Solution

The fourth proportional to 438,908.45, 605,742.96 and 247,934.13 is: 342,176.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,908.45 : 605,742.96 = 247,934.13 : x
  2. Step 2: Convert to fraction form
    438,908.45/605,742.96 = 247,934.13/x
  3. Step 3: Cross multiply
    438,908.45x = 605,742.96 × 247,934.13
  4. Step 4: Simplify right side
    438,908.45x = 150,184,353,791.23
  5. Step 5: Solve for x
    x = 150,184,353,791.23/438,908.45
  6. Step 6: Final answer
    x = 342,176.95

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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.