Home / 302,921.84-418,080.48-231,165.56

Finding the Fourth Proportional to 302,921.84, 418,080.48 and 231,165.56

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Solution

The fourth proportional to 302,921.84, 418,080.48 and 231,165.56 is: 319,045.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,921.84 : 418,080.48 = 231,165.56 : x
  2. Step 2: Convert to fraction form
    302,921.84/418,080.48 = 231,165.56/x
  3. Step 3: Cross multiply
    302,921.84x = 418,080.48 × 231,165.56
  4. Step 4: Simplify right side
    302,921.84x = 96,645,808,284.27
  5. Step 5: Solve for x
    x = 96,645,808,284.27/302,921.84
  6. Step 6: Final answer
    x = 319,045.36

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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.