Home / 231,320.21-346,020.46-217,148.45

Finding the Fourth Proportional to 231,320.21, 346,020.46 and 217,148.45

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Solution

The fourth proportional to 231,320.21, 346,020.46 and 217,148.45 is: 324,821.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,320.21 : 346,020.46 = 217,148.45 : x
  2. Step 2: Convert to fraction form
    231,320.21/346,020.46 = 217,148.45/x
  3. Step 3: Cross multiply
    231,320.21x = 346,020.46 × 217,148.45
  4. Step 4: Simplify right side
    231,320.21x = 75,137,804,284.31
  5. Step 5: Solve for x
    x = 75,137,804,284.31/231,320.21
  6. Step 6: Final answer
    x = 324,821.62

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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.