Home / 239,815.66-330,985.63-229,186.54

Finding the Fourth Proportional to 239,815.66, 330,985.63 and 229,186.54

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Solution

The fourth proportional to 239,815.66, 330,985.63 and 229,186.54 is: 316,315.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,815.66 : 330,985.63 = 229,186.54 : x
  2. Step 2: Convert to fraction form
    239,815.66/330,985.63 = 229,186.54/x
  3. Step 3: Cross multiply
    239,815.66x = 330,985.63 × 229,186.54
  4. Step 4: Simplify right side
    239,815.66x = 75,857,451,329.42
  5. Step 5: Solve for x
    x = 75,857,451,329.42/239,815.66
  6. Step 6: Final answer
    x = 316,315.67

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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.