Home / 451,778.10-677,663.28-114,819.72

Finding the Fourth Proportional to 451,778.10, 677,663.28 and 114,819.72

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Solution

The fourth proportional to 451,778.10, 677,663.28 and 114,819.72 is: 172,228.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,778.10 : 677,663.28 = 114,819.72 : x
  2. Step 2: Convert to fraction form
    451,778.10/677,663.28 = 114,819.72/x
  3. Step 3: Cross multiply
    451,778.10x = 677,663.28 × 114,819.72
  4. Step 4: Simplify right side
    451,778.10x = 77,809,108,063.88
  5. Step 5: Solve for x
    x = 77,809,108,063.88/451,778.10
  6. Step 6: Final answer
    x = 172,228.60

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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.