Home / 217,782.51-326,548.13-84,507.03

Finding the Fourth Proportional to 217,782.51, 326,548.13 and 84,507.03

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Solution

The fourth proportional to 217,782.51, 326,548.13 and 84,507.03 is: 126,711.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,782.51 : 326,548.13 = 84,507.03 : x
  2. Step 2: Convert to fraction form
    217,782.51/326,548.13 = 84,507.03/x
  3. Step 3: Cross multiply
    217,782.51x = 326,548.13 × 84,507.03
  4. Step 4: Simplify right side
    217,782.51x = 27,595,612,195.82
  5. Step 5: Solve for x
    x = 27,595,612,195.82/217,782.51
  6. Step 6: Final answer
    x = 126,711.79

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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.