Home / 289,067.13-433,610.21-99,525.51

Finding the Fourth Proportional to 289,067.13, 433,610.21 and 99,525.51

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Solution

The fourth proportional to 289,067.13, 433,610.21 and 99,525.51 is: 149,291.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,067.13 : 433,610.21 = 99,525.51 : x
  2. Step 2: Convert to fraction form
    289,067.13/433,610.21 = 99,525.51/x
  3. Step 3: Cross multiply
    289,067.13x = 433,610.21 × 99,525.51
  4. Step 4: Simplify right side
    289,067.13x = 43,155,277,540.27
  5. Step 5: Solve for x
    x = 43,155,277,540.27/289,067.13
  6. Step 6: Final answer
    x = 149,291.54

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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.