Home / 217,984.15-327,038.75-91,559.37

Finding the Fourth Proportional to 217,984.15, 327,038.75 and 91,559.37

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Solution

The fourth proportional to 217,984.15, 327,038.75 and 91,559.37 is: 137,365.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,984.15 : 327,038.75 = 91,559.37 : x
  2. Step 2: Convert to fraction form
    217,984.15/327,038.75 = 91,559.37/x
  3. Step 3: Cross multiply
    217,984.15x = 327,038.75 × 91,559.37
  4. Step 4: Simplify right side
    217,984.15x = 29,943,461,915.59
  5. Step 5: Solve for x
    x = 29,943,461,915.59/217,984.15
  6. Step 6: Final answer
    x = 137,365.32

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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.