Home / 228,278.07-315,033.02-126,301.88

Finding the Fourth Proportional to 228,278.07, 315,033.02 and 126,301.88

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Solution

The fourth proportional to 228,278.07, 315,033.02 and 126,301.88 is: 174,301.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,278.07 : 315,033.02 = 126,301.88 : x
  2. Step 2: Convert to fraction form
    228,278.07/315,033.02 = 126,301.88/x
  3. Step 3: Cross multiply
    228,278.07x = 315,033.02 × 126,301.88
  4. Step 4: Simplify right side
    228,278.07x = 39,789,260,481.40
  5. Step 5: Solve for x
    x = 39,789,260,481.40/228,278.07
  6. Step 6: Final answer
    x = 174,301.72

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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.