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Finding the Fourth Proportional to 302,782.62, 417,819.96 and 181,929

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Solution

The fourth proportional to 302,782.62, 417,819.96 and 181,929 is: 251,049.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,782.62 : 417,819.96 = 181,929 : x
  2. Step 2: Convert to fraction form
    302,782.62/417,819.96 = 181,929/x
  3. Step 3: Cross multiply
    302,782.62x = 417,819.96 × 181,929
  4. Step 4: Simplify right side
    302,782.62x = 76,013,567,502.84
  5. Step 5: Solve for x
    x = 76,013,567,502.84/302,782.62
  6. Step 6: Final answer
    x = 251,049.97

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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.