Home / 282,217.77-423,310.25-206,393.12

Finding the Fourth Proportional to 282,217.77, 423,310.25 and 206,393.12

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Solution

The fourth proportional to 282,217.77, 423,310.25 and 206,393.12 is: 309,577.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,217.77 : 423,310.25 = 206,393.12 : x
  2. Step 2: Convert to fraction form
    282,217.77/423,310.25 = 206,393.12/x
  3. Step 3: Cross multiply
    282,217.77x = 423,310.25 × 206,393.12
  4. Step 4: Simplify right side
    282,217.77x = 87,368,320,076.96
  5. Step 5: Solve for x
    x = 87,368,320,076.96/282,217.77
  6. Step 6: Final answer
    x = 309,577.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.