Home / 258,227.02-387,362.85-71,238.52

Finding the Fourth Proportional to 258,227.02, 387,362.85 and 71,238.52

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Solution

The fourth proportional to 258,227.02, 387,362.85 and 71,238.52 is: 106,863.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,227.02 : 387,362.85 = 71,238.52 : x
  2. Step 2: Convert to fraction form
    258,227.02/387,362.85 = 71,238.52/x
  3. Step 3: Cross multiply
    258,227.02x = 387,362.85 × 71,238.52
  4. Step 4: Simplify right side
    258,227.02x = 27,595,156,354.04
  5. Step 5: Solve for x
    x = 27,595,156,354.04/258,227.02
  6. Step 6: Final answer
    x = 106,863.94

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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.