Home / 228,844.26-315,795.78-126,871.20

Finding the Fourth Proportional to 228,844.26, 315,795.78 and 126,871.20

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Solution

The fourth proportional to 228,844.26, 315,795.78 and 126,871.20 is: 175,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,844.26 : 315,795.78 = 126,871.20 : x
  2. Step 2: Convert to fraction form
    228,844.26/315,795.78 = 126,871.20/x
  3. Step 3: Cross multiply
    228,844.26x = 315,795.78 × 126,871.20
  4. Step 4: Simplify right side
    228,844.26x = 40,065,389,563.54
  5. Step 5: Solve for x
    x = 40,065,389,563.54/228,844.26
  6. Step 6: Final answer
    x = 175,077.10

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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.