Home / 386,826.44-579,967.50-149,969.48

Finding the Fourth Proportional to 386,826.44, 579,967.50 and 149,969.48

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Solution

The fourth proportional to 386,826.44, 579,967.50 and 149,969.48 is: 224,848.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,826.44 : 579,967.50 = 149,969.48 : x
  2. Step 2: Convert to fraction form
    386,826.44/579,967.50 = 149,969.48/x
  3. Step 3: Cross multiply
    386,826.44x = 579,967.50 × 149,969.48
  4. Step 4: Simplify right side
    386,826.44x = 86,977,424,391.90
  5. Step 5: Solve for x
    x = 86,977,424,391.90/386,826.44
  6. Step 6: Final answer
    x = 224,848.71

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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.