Home / 228,406.62-315,196.14-125,040.57

Finding the Fourth Proportional to 228,406.62, 315,196.14 and 125,040.57

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Solution

The fourth proportional to 228,406.62, 315,196.14 and 125,040.57 is: 172,553.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,406.62 : 315,196.14 = 125,040.57 : x
  2. Step 2: Convert to fraction form
    228,406.62/315,196.14 = 125,040.57/x
  3. Step 3: Cross multiply
    228,406.62x = 315,196.14 × 125,040.57
  4. Step 4: Simplify right side
    228,406.62x = 39,412,305,007.40
  5. Step 5: Solve for x
    x = 39,412,305,007.40/228,406.62
  6. Step 6: Final answer
    x = 172,553.25

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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.