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Finding the Fourth Proportional to 234,341, 351,512.04 and 84,687

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Solution

The fourth proportional to 234,341, 351,512.04 and 84,687 is: 127,030.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,341 : 351,512.04 = 84,687 : x
  2. Step 2: Convert to fraction form
    234,341/351,512.04 = 84,687/x
  3. Step 3: Cross multiply
    234,341x = 351,512.04 × 84,687
  4. Step 4: Simplify right side
    234,341x = 29,768,500,131.48
  5. Step 5: Solve for x
    x = 29,768,500,131.48/234,341
  6. Step 6: Final answer
    x = 127,030.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.