Home / 228,384.28-315,162.26-126,409.94

Finding the Fourth Proportional to 228,384.28, 315,162.26 and 126,409.94

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Solution

The fourth proportional to 228,384.28, 315,162.26 and 126,409.94 is: 174,441.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,384.28 : 315,162.26 = 126,409.94 : x
  2. Step 2: Convert to fraction form
    228,384.28/315,162.26 = 126,409.94/x
  3. Step 3: Cross multiply
    228,384.28x = 315,162.26 × 126,409.94
  4. Step 4: Simplify right side
    228,384.28x = 39,839,640,801.05
  5. Step 5: Solve for x
    x = 39,839,640,801.05/228,384.28
  6. Step 6: Final answer
    x = 174,441.26

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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.