Home / 285,202.60-428,224.44-159,089.24

Finding the Fourth Proportional to 285,202.60, 428,224.44 and 159,089.24

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Solution

The fourth proportional to 285,202.60, 428,224.44 and 159,089.24 is: 238,868.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,202.60 : 428,224.44 = 159,089.24 : x
  2. Step 2: Convert to fraction form
    285,202.60/428,224.44 = 159,089.24/x
  3. Step 3: Cross multiply
    285,202.60x = 428,224.44 × 159,089.24
  4. Step 4: Simplify right side
    285,202.60x = 68,125,900,709.03
  5. Step 5: Solve for x
    x = 68,125,900,709.03/285,202.60
  6. Step 6: Final answer
    x = 238,868.44

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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.