Home / 307,974.78-425,002.41-170,153.51

Finding the Fourth Proportional to 307,974.78, 425,002.41 and 170,153.51

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Solution

The fourth proportional to 307,974.78, 425,002.41 and 170,153.51 is: 234,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,974.78 : 425,002.41 = 170,153.51 : x
  2. Step 2: Convert to fraction form
    307,974.78/425,002.41 = 170,153.51/x
  3. Step 3: Cross multiply
    307,974.78x = 425,002.41 × 170,153.51
  4. Step 4: Simplify right side
    307,974.78x = 72,315,649,694.95
  5. Step 5: Solve for x
    x = 72,315,649,694.95/307,974.78
  6. Step 6: Final answer
    x = 234,810.30

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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.