Home / 451,470.40-677,309.73-151,943.20

Finding the Fourth Proportional to 451,470.40, 677,309.73 and 151,943.20

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Solution

The fourth proportional to 451,470.40, 677,309.73 and 151,943.20 is: 227,949.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,470.40 : 677,309.73 = 151,943.20 : x
  2. Step 2: Convert to fraction form
    451,470.40/677,309.73 = 151,943.20/x
  3. Step 3: Cross multiply
    451,470.40x = 677,309.73 × 151,943.20
  4. Step 4: Simplify right side
    451,470.40x = 102,912,607,767.34
  5. Step 5: Solve for x
    x = 102,912,607,767.34/451,470.40
  6. Step 6: Final answer
    x = 227,949.85

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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.