Home / 307,787.24-424,745.70-173,650.28

Finding the Fourth Proportional to 307,787.24, 424,745.70 and 173,650.28

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Solution

The fourth proportional to 307,787.24, 424,745.70 and 173,650.28 is: 239,637.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,787.24 : 424,745.70 = 173,650.28 : x
  2. Step 2: Convert to fraction form
    307,787.24/424,745.70 = 173,650.28/x
  3. Step 3: Cross multiply
    307,787.24x = 424,745.70 × 173,650.28
  4. Step 4: Simplify right side
    307,787.24x = 73,757,209,733.80
  5. Step 5: Solve for x
    x = 73,757,209,733.80/307,787.24
  6. Step 6: Final answer
    x = 239,637.00

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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.