Home / 331,280.36-496,955.00-91,394.27

Finding the Fourth Proportional to 331,280.36, 496,955.00 and 91,394.27

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Solution

The fourth proportional to 331,280.36, 496,955.00 and 91,394.27 is: 137,100.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,280.36 : 496,955.00 = 91,394.27 : x
  2. Step 2: Convert to fraction form
    331,280.36/496,955.00 = 91,394.27/x
  3. Step 3: Cross multiply
    331,280.36x = 496,955.00 × 91,394.27
  4. Step 4: Simplify right side
    331,280.36x = 45,418,837,191.56
  5. Step 5: Solve for x
    x = 45,418,837,191.56/331,280.36
  6. Step 6: Final answer
    x = 137,100.91

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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.