Home / 217,342.11-299,820.92-144,869.79

Finding the Fourth Proportional to 217,342.11, 299,820.92 and 144,869.79

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Solution

The fourth proportional to 217,342.11, 299,820.92 and 144,869.79 is: 199,846.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,342.11 : 299,820.92 = 144,869.79 : x
  2. Step 2: Convert to fraction form
    217,342.11/299,820.92 = 144,869.79/x
  3. Step 3: Cross multiply
    217,342.11x = 299,820.92 × 144,869.79
  4. Step 4: Simplify right side
    217,342.11x = 43,434,992,993.66
  5. Step 5: Solve for x
    x = 43,434,992,993.66/217,342.11
  6. Step 6: Final answer
    x = 199,846.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.