Home / 228,344.35-315,115.81-126,376.85

Finding the Fourth Proportional to 228,344.35, 315,115.81 and 126,376.85

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Solution

The fourth proportional to 228,344.35, 315,115.81 and 126,376.85 is: 174,400.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,344.35 : 315,115.81 = 126,376.85 : x
  2. Step 2: Convert to fraction form
    228,344.35/315,115.81 = 126,376.85/x
  3. Step 3: Cross multiply
    228,344.35x = 315,115.81 × 126,376.85
  4. Step 4: Simplify right side
    228,344.35x = 39,823,343,453.00
  5. Step 5: Solve for x
    x = 39,823,343,453.00/228,344.35
  6. Step 6: Final answer
    x = 174,400.39

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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.