Home / 451,369.02-677,055.96-135,823.80

Finding the Fourth Proportional to 451,369.02, 677,055.96 and 135,823.80

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Solution

The fourth proportional to 451,369.02, 677,055.96 and 135,823.80 is: 203,736.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,369.02 : 677,055.96 = 135,823.80 : x
  2. Step 2: Convert to fraction form
    451,369.02/677,055.96 = 135,823.80/x
  3. Step 3: Cross multiply
    451,369.02x = 677,055.96 × 135,823.80
  4. Step 4: Simplify right side
    451,369.02x = 91,960,313,299.85
  5. Step 5: Solve for x
    x = 91,960,313,299.85/451,369.02
  6. Step 6: Final answer
    x = 203,736.43

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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.