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Finding the Fourth Proportional to 225,293.42, 310,883.85 and 134,631.38

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Solution

The fourth proportional to 225,293.42, 310,883.85 and 134,631.38 is: 185,778.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,293.42 : 310,883.85 = 134,631.38 : x
  2. Step 2: Convert to fraction form
    225,293.42/310,883.85 = 134,631.38/x
  3. Step 3: Cross multiply
    225,293.42x = 310,883.85 × 134,631.38
  4. Step 4: Simplify right side
    225,293.42x = 41,854,721,745.21
  5. Step 5: Solve for x
    x = 41,854,721,745.21/225,293.42
  6. Step 6: Final answer
    x = 185,778.71

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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.