Home / 451,781.10-677,667.78-114,822.72

Finding the Fourth Proportional to 451,781.10, 677,667.78 and 114,822.72

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Solution

The fourth proportional to 451,781.10, 677,667.78 and 114,822.72 is: 172,233.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,781.10 : 677,667.78 = 114,822.72 : x
  2. Step 2: Convert to fraction form
    451,781.10/677,667.78 = 114,822.72/x
  3. Step 3: Cross multiply
    451,781.10x = 677,667.78 × 114,822.72
  4. Step 4: Simplify right side
    451,781.10x = 77,811,657,755.96
  5. Step 5: Solve for x
    x = 77,811,657,755.96/451,781.10
  6. Step 6: Final answer
    x = 172,233.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.