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Finding the Fourth Proportional to 228,429.56, 315,228.96 and 126,452.84

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Solution

The fourth proportional to 228,429.56, 315,228.96 and 126,452.84 is: 174,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,429.56 : 315,228.96 = 126,452.84 : x
  2. Step 2: Convert to fraction form
    228,429.56/315,228.96 = 126,452.84/x
  3. Step 3: Cross multiply
    228,429.56x = 315,228.96 × 126,452.84
  4. Step 4: Simplify right side
    228,429.56x = 39,861,597,242.25
  5. Step 5: Solve for x
    x = 39,861,597,242.25/228,429.56
  6. Step 6: Final answer
    x = 174,502.80

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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.