Home / 510,469.83-765,815.45-155,474.55

Finding the Fourth Proportional to 510,469.83, 765,815.45 and 155,474.55

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Solution

The fourth proportional to 510,469.83, 765,815.45 and 155,474.55 is: 233,245.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,469.83 : 765,815.45 = 155,474.55 : x
  2. Step 2: Convert to fraction form
    510,469.83/765,815.45 = 155,474.55/x
  3. Step 3: Cross multiply
    510,469.83x = 765,815.45 × 155,474.55
  4. Step 4: Simplify right side
    510,469.83x = 119,064,811,694.43
  5. Step 5: Solve for x
    x = 119,064,811,694.43/510,469.83
  6. Step 6: Final answer
    x = 233,245.54

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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.