Home / 228,015.33-340,353.21-201,081.75

Finding the Fourth Proportional to 228,015.33, 340,353.21 and 201,081.75

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Solution

The fourth proportional to 228,015.33, 340,353.21 and 201,081.75 is: 300,150.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,015.33 : 340,353.21 = 201,081.75 : x
  2. Step 2: Convert to fraction form
    228,015.33/340,353.21 = 201,081.75/x
  3. Step 3: Cross multiply
    228,015.33x = 340,353.21 × 201,081.75
  4. Step 4: Simplify right side
    228,015.33x = 68,438,819,084.92
  5. Step 5: Solve for x
    x = 68,438,819,084.92/228,015.33
  6. Step 6: Final answer
    x = 300,150.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.