Home / 228,918.02-315,906.37-126,940.95

Finding the Fourth Proportional to 228,918.02, 315,906.37 and 126,940.95

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Solution

The fourth proportional to 228,918.02, 315,906.37 and 126,940.95 is: 175,178.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,918.02 : 315,906.37 = 126,940.95 : x
  2. Step 2: Convert to fraction form
    228,918.02/315,906.37 = 126,940.95/x
  3. Step 3: Cross multiply
    228,918.02x = 315,906.37 × 126,940.95
  4. Step 4: Simplify right side
    228,918.02x = 40,101,454,718.85
  5. Step 5: Solve for x
    x = 40,101,454,718.85/228,918.02
  6. Step 6: Final answer
    x = 175,178.24

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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.