Home / 275,060.36-379,707.65-173,235.46

Finding the Fourth Proportional to 275,060.36, 379,707.65 and 173,235.46

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Solution

The fourth proportional to 275,060.36, 379,707.65 and 173,235.46 is: 239,143.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,060.36 : 379,707.65 = 173,235.46 : x
  2. Step 2: Convert to fraction form
    275,060.36/379,707.65 = 173,235.46/x
  3. Step 3: Cross multiply
    275,060.36x = 379,707.65 × 173,235.46
  4. Step 4: Simplify right side
    275,060.36x = 65,778,826,648.55
  5. Step 5: Solve for x
    x = 65,778,826,648.55/275,060.36
  6. Step 6: Final answer
    x = 239,143.24

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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.