Home / 228,505.91-315,334.31-126,529.18

Finding the Fourth Proportional to 228,505.91, 315,334.31 and 126,529.18

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Solution

The fourth proportional to 228,505.91, 315,334.31 and 126,529.18 is: 174,608.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,505.91 : 315,334.31 = 126,529.18 : x
  2. Step 2: Convert to fraction form
    228,505.91/315,334.31 = 126,529.18/x
  3. Step 3: Cross multiply
    228,505.91x = 315,334.31 × 126,529.18
  4. Step 4: Simplify right side
    228,505.91x = 39,898,991,431.69
  5. Step 5: Solve for x
    x = 39,898,991,431.69/228,505.91
  6. Step 6: Final answer
    x = 174,608.14

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1.5x scale

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.