Home / 285,942.55-428,767.36-151,079.02

Finding the Fourth Proportional to 285,942.55, 428,767.36 and 151,079.02

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Solution

The fourth proportional to 285,942.55, 428,767.36 and 151,079.02 is: 226,541.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,942.55 : 428,767.36 = 151,079.02 : x
  2. Step 2: Convert to fraction form
    285,942.55/428,767.36 = 151,079.02/x
  3. Step 3: Cross multiply
    285,942.55x = 428,767.36 × 151,079.02
  4. Step 4: Simplify right side
    285,942.55x = 64,777,752,556.79
  5. Step 5: Solve for x
    x = 64,777,752,556.79/285,942.55
  6. Step 6: Final answer
    x = 226,541.14

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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.