Home / 301,128.84-451,786.82-181,317.69

Finding the Fourth Proportional to 301,128.84, 451,786.82 and 181,317.69

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Solution

The fourth proportional to 301,128.84, 451,786.82 and 181,317.69 is: 272,032.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,128.84 : 451,786.82 = 181,317.69 : x
  2. Step 2: Convert to fraction form
    301,128.84/451,786.82 = 181,317.69/x
  3. Step 3: Cross multiply
    301,128.84x = 451,786.82 × 181,317.69
  4. Step 4: Simplify right side
    301,128.84x = 81,916,941,668.26
  5. Step 5: Solve for x
    x = 81,916,941,668.26/301,128.84
  6. Step 6: Final answer
    x = 272,032.87

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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.