Home / 451,620.38-677,430.88-114,686.30

Finding the Fourth Proportional to 451,620.38, 677,430.88 and 114,686.30

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Solution

The fourth proportional to 451,620.38, 677,430.88 and 114,686.30 is: 172,029.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,620.38 : 677,430.88 = 114,686.30 : x
  2. Step 2: Convert to fraction form
    451,620.38/677,430.88 = 114,686.30/x
  3. Step 3: Cross multiply
    451,620.38x = 677,430.88 × 114,686.30
  4. Step 4: Simplify right side
    451,620.38x = 77,692,042,539.81
  5. Step 5: Solve for x
    x = 77,692,042,539.81/451,620.38
  6. Step 6: Final answer
    x = 172,029.53

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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.