Home / 418,005.09-576,882.61-236,749.27

Finding the Fourth Proportional to 418,005.09, 576,882.61 and 236,749.27

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Solution

The fourth proportional to 418,005.09, 576,882.61 and 236,749.27 is: 326,734.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,005.09 : 576,882.61 = 236,749.27 : x
  2. Step 2: Convert to fraction form
    418,005.09/576,882.61 = 236,749.27/x
  3. Step 3: Cross multiply
    418,005.09x = 576,882.61 × 236,749.27
  4. Step 4: Simplify right side
    418,005.09x = 136,576,534,759.12
  5. Step 5: Solve for x
    x = 136,576,534,759.12/418,005.09
  6. Step 6: Final answer
    x = 326,734.14

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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.