Home / 217,674.34-326,537.48-105,273.79

Finding the Fourth Proportional to 217,674.34, 326,537.48 and 105,273.79

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Solution

The fourth proportional to 217,674.34, 326,537.48 and 105,273.79 is: 157,923.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,674.34 : 326,537.48 = 105,273.79 : x
  2. Step 2: Convert to fraction form
    217,674.34/326,537.48 = 105,273.79/x
  3. Step 3: Cross multiply
    217,674.34x = 326,537.48 × 105,273.79
  4. Step 4: Simplify right side
    217,674.34x = 34,375,839,683.88
  5. Step 5: Solve for x
    x = 34,375,839,683.88/217,674.34
  6. Step 6: Final answer
    x = 157,923.25

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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.