Home / 228,945.28-315,923.33-126,968.87

Finding the Fourth Proportional to 228,945.28, 315,923.33 and 126,968.87

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Solution

The fourth proportional to 228,945.28, 315,923.33 and 126,968.87 is: 175,205.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,945.28 : 315,923.33 = 126,968.87 : x
  2. Step 2: Convert to fraction form
    228,945.28/315,923.33 = 126,968.87/x
  3. Step 3: Cross multiply
    228,945.28x = 315,923.33 × 126,968.87
  4. Step 4: Simplify right side
    228,945.28x = 40,112,426,319.70
  5. Step 5: Solve for x
    x = 40,112,426,319.70/228,945.28
  6. Step 6: Final answer
    x = 175,205.30

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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.