Home / 228,409.74-315,185.72-126,435.33

Finding the Fourth Proportional to 228,409.74, 315,185.72 and 126,435.33

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Solution

The fourth proportional to 228,409.74, 315,185.72 and 126,435.33 is: 174,469.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,409.74 : 315,185.72 = 126,435.33 : x
  2. Step 2: Convert to fraction form
    228,409.74/315,185.72 = 126,435.33/x
  3. Step 3: Cross multiply
    228,409.74x = 315,185.72 × 126,435.33
  4. Step 4: Simplify right side
    228,409.74x = 39,850,609,887.31
  5. Step 5: Solve for x
    x = 39,850,609,887.31/228,409.74
  6. Step 6: Final answer
    x = 174,469.84

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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.