Home / 228,330.20-315,087.93-126,359.97

Finding the Fourth Proportional to 228,330.20, 315,087.93 and 126,359.97

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Solution

The fourth proportional to 228,330.20, 315,087.93 and 126,359.97 is: 174,372.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,330.20 : 315,087.93 = 126,359.97 : x
  2. Step 2: Convert to fraction form
    228,330.20/315,087.93 = 126,359.97/x
  3. Step 3: Cross multiply
    228,330.20x = 315,087.93 × 126,359.97
  4. Step 4: Simplify right side
    228,330.20x = 39,814,501,382.16
  5. Step 5: Solve for x
    x = 39,814,501,382.16/228,330.20
  6. Step 6: Final answer
    x = 174,372.48

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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.