Home / 228,212.42-314,856.66-131,414.20

Finding the Fourth Proportional to 228,212.42, 314,856.66 and 131,414.20

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Solution

The fourth proportional to 228,212.42, 314,856.66 and 131,414.20 is: 181,307.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,212.42 : 314,856.66 = 131,414.20 : x
  2. Step 2: Convert to fraction form
    228,212.42/314,856.66 = 131,414.20/x
  3. Step 3: Cross multiply
    228,212.42x = 314,856.66 × 131,414.20
  4. Step 4: Simplify right side
    228,212.42x = 41,376,635,301.43
  5. Step 5: Solve for x
    x = 41,376,635,301.43/228,212.42
  6. Step 6: Final answer
    x = 181,307.55

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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.