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Finding the Fourth Proportional to 353,166.48, 487,300.05 and 198,122.76

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Solution

The fourth proportional to 353,166.48, 487,300.05 and 198,122.76 is: 273,370.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,166.48 : 487,300.05 = 198,122.76 : x
  2. Step 2: Convert to fraction form
    353,166.48/487,300.05 = 198,122.76/x
  3. Step 3: Cross multiply
    353,166.48x = 487,300.05 × 198,122.76
  4. Step 4: Simplify right side
    353,166.48x = 96,545,230,854.14
  5. Step 5: Solve for x
    x = 96,545,230,854.14/353,166.48
  6. Step 6: Final answer
    x = 273,370.31

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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.