Home / 226,764.12-312,829.80-146,217.52

Finding the Fourth Proportional to 226,764.12, 312,829.80 and 146,217.52

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Solution

The fourth proportional to 226,764.12, 312,829.80 and 146,217.52 is: 201,712.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,764.12 : 312,829.80 = 146,217.52 : x
  2. Step 2: Convert to fraction form
    226,764.12/312,829.80 = 146,217.52/x
  3. Step 3: Cross multiply
    226,764.12x = 312,829.80 × 146,217.52
  4. Step 4: Simplify right side
    226,764.12x = 45,741,197,380.82
  5. Step 5: Solve for x
    x = 45,741,197,380.82/226,764.12
  6. Step 6: Final answer
    x = 201,712.67

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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.