Home / 285,163.42-393,566.98-164,281.18

Finding the Fourth Proportional to 285,163.42, 393,566.98 and 164,281.18

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Solution

The fourth proportional to 285,163.42, 393,566.98 and 164,281.18 is: 226,731.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,163.42 : 393,566.98 = 164,281.18 : x
  2. Step 2: Convert to fraction form
    285,163.42/393,566.98 = 164,281.18/x
  3. Step 3: Cross multiply
    285,163.42x = 393,566.98 × 164,281.18
  4. Step 4: Simplify right side
    285,163.42x = 64,655,647,883.44
  5. Step 5: Solve for x
    x = 64,655,647,883.44/285,163.42
  6. Step 6: Final answer
    x = 226,731.91

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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.