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Finding the Fourth Proportional to 237,888, 328,285.44 and 131,904

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Solution

The fourth proportional to 237,888, 328,285.44 and 131,904 is: 182,027.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,888 : 328,285.44 = 131,904 : x
  2. Step 2: Convert to fraction form
    237,888/328,285.44 = 131,904/x
  3. Step 3: Cross multiply
    237,888x = 328,285.44 × 131,904
  4. Step 4: Simplify right side
    237,888x = 43,302,162,677.76
  5. Step 5: Solve for x
    x = 43,302,162,677.76/237,888
  6. Step 6: Final answer
    x = 182,027.52

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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.