Home / 210,867.44-315,951.24-148,406.72

Finding the Fourth Proportional to 210,867.44, 315,951.24 and 148,406.72

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Solution

The fourth proportional to 210,867.44, 315,951.24 and 148,406.72 is: 222,363.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,867.44 : 315,951.24 = 148,406.72 : x
  2. Step 2: Convert to fraction form
    210,867.44/315,951.24 = 148,406.72/x
  3. Step 3: Cross multiply
    210,867.44x = 315,951.24 × 148,406.72
  4. Step 4: Simplify right side
    210,867.44x = 46,889,287,208.33
  5. Step 5: Solve for x
    x = 46,889,287,208.33/210,867.44
  6. Step 6: Final answer
    x = 222,363.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.