Home / 431,743.28-647,222.84-151,107.44

Finding the Fourth Proportional to 431,743.28, 647,222.84 and 151,107.44

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Solution

The fourth proportional to 431,743.28, 647,222.84 and 151,107.44 is: 226,523.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,743.28 : 647,222.84 = 151,107.44 : x
  2. Step 2: Convert to fraction form
    431,743.28/647,222.84 = 151,107.44/x
  3. Step 3: Cross multiply
    431,743.28x = 647,222.84 × 151,107.44
  4. Step 4: Simplify right side
    431,743.28x = 97,800,186,461.93
  5. Step 5: Solve for x
    x = 97,800,186,461.93/431,743.28
  6. Step 6: Final answer
    x = 226,523.93

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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.