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Finding the Fourth Proportional to 228,073.44, 314,735.81 and 126,096.28

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Solution

The fourth proportional to 228,073.44, 314,735.81 and 126,096.28 is: 174,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,073.44 : 314,735.81 = 126,096.28 : x
  2. Step 2: Convert to fraction form
    228,073.44/314,735.81 = 126,096.28/x
  3. Step 3: Cross multiply
    228,073.44x = 314,735.81 × 126,096.28
  4. Step 4: Simplify right side
    228,073.44x = 39,687,013,406.47
  5. Step 5: Solve for x
    x = 39,687,013,406.47/228,073.44
  6. Step 6: Final answer
    x = 174,009.80

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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.