Home / 285,006.20-393,273.98-164,186.60

Finding the Fourth Proportional to 285,006.20, 393,273.98 and 164,186.60

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Solution

The fourth proportional to 285,006.20, 393,273.98 and 164,186.60 is: 226,557.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,006.20 : 393,273.98 = 164,186.60 : x
  2. Step 2: Convert to fraction form
    285,006.20/393,273.98 = 164,186.60/x
  3. Step 3: Cross multiply
    285,006.20x = 393,273.98 × 164,186.60
  4. Step 4: Simplify right side
    285,006.20x = 64,570,317,644.67
  5. Step 5: Solve for x
    x = 64,570,317,644.67/285,006.20
  6. Step 6: Final answer
    x = 226,557.59

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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.