Home / 282,786.67-390,222.41-166,481.67

Finding the Fourth Proportional to 282,786.67, 390,222.41 and 166,481.67

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Solution

The fourth proportional to 282,786.67, 390,222.41 and 166,481.67 is: 229,731.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,786.67 : 390,222.41 = 166,481.67 : x
  2. Step 2: Convert to fraction form
    282,786.67/390,222.41 = 166,481.67/x
  3. Step 3: Cross multiply
    282,786.67x = 390,222.41 × 166,481.67
  4. Step 4: Simplify right side
    282,786.67x = 64,964,879,119.15
  5. Step 5: Solve for x
    x = 64,964,879,119.15/282,786.67
  6. Step 6: Final answer
    x = 229,731.05

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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.