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Finding the Fourth Proportional to 237,894, 328,293.72 and 131,910

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Solution

The fourth proportional to 237,894, 328,293.72 and 131,910 is: 182,035.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,894 : 328,293.72 = 131,910 : x
  2. Step 2: Convert to fraction form
    237,894/328,293.72 = 131,910/x
  3. Step 3: Cross multiply
    237,894x = 328,293.72 × 131,910
  4. Step 4: Simplify right side
    237,894x = 43,305,224,605.20
  5. Step 5: Solve for x
    x = 43,305,224,605.20/237,894
  6. Step 6: Final answer
    x = 182,035.80

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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.