Home / 451,278.13-622,771.83-247,315.48

Finding the Fourth Proportional to 451,278.13, 622,771.83 and 247,315.48

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Solution

The fourth proportional to 451,278.13, 622,771.83 and 247,315.48 is: 341,299.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,278.13 : 622,771.83 = 247,315.48 : x
  2. Step 2: Convert to fraction form
    451,278.13/622,771.83 = 247,315.48/x
  3. Step 3: Cross multiply
    451,278.13x = 622,771.83 × 247,315.48
  4. Step 4: Simplify right side
    451,278.13x = 154,021,114,066.93
  5. Step 5: Solve for x
    x = 154,021,114,066.93/451,278.13
  6. Step 6: Final answer
    x = 341,299.75

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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.