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Finding the Fourth Proportional to 254,707, 382,060.54 and 79,603

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Solution

The fourth proportional to 254,707, 382,060.54 and 79,603 is: 119,404.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,707 : 382,060.54 = 79,603 : x
  2. Step 2: Convert to fraction form
    254,707/382,060.54 = 79,603/x
  3. Step 3: Cross multiply
    254,707x = 382,060.54 × 79,603
  4. Step 4: Simplify right side
    254,707x = 30,413,165,165.62
  5. Step 5: Solve for x
    x = 30,413,165,165.62/254,707
  6. Step 6: Final answer
    x = 119,404.51

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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.