Home / 217,532.32-300,249.78-148,649.66

Finding the Fourth Proportional to 217,532.32, 300,249.78 and 148,649.66

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Solution

The fourth proportional to 217,532.32, 300,249.78 and 148,649.66 is: 205,174.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,532.32 : 300,249.78 = 148,649.66 : x
  2. Step 2: Convert to fraction form
    217,532.32/300,249.78 = 148,649.66/x
  3. Step 3: Cross multiply
    217,532.32x = 300,249.78 × 148,649.66
  4. Step 4: Simplify right side
    217,532.32x = 44,632,027,712.07
  5. Step 5: Solve for x
    x = 44,632,027,712.07/217,532.32
  6. Step 6: Final answer
    x = 205,174.24

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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.