Home / 228,945.52-315,963.73-127,003.85

Finding the Fourth Proportional to 228,945.52, 315,963.73 and 127,003.85

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Solution

The fourth proportional to 228,945.52, 315,963.73 and 127,003.85 is: 175,275.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,945.52 : 315,963.73 = 127,003.85 : x
  2. Step 2: Convert to fraction form
    228,945.52/315,963.73 = 127,003.85/x
  3. Step 3: Cross multiply
    228,945.52x = 315,963.73 × 127,003.85
  4. Step 4: Simplify right side
    228,945.52x = 40,128,610,439.47
  5. Step 5: Solve for x
    x = 40,128,610,439.47/228,945.52
  6. Step 6: Final answer
    x = 175,275.80

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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.