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Finding the Fourth Proportional to 384,279.76, 576,418.38 and 103,797.10

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Solution

The fourth proportional to 384,279.76, 576,418.38 and 103,797.10 is: 155,695.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,279.76 : 576,418.38 = 103,797.10 : x
  2. Step 2: Convert to fraction form
    384,279.76/576,418.38 = 103,797.10/x
  3. Step 3: Cross multiply
    384,279.76x = 576,418.38 × 103,797.10
  4. Step 4: Simplify right side
    384,279.76x = 59,830,556,230.70
  5. Step 5: Solve for x
    x = 59,830,556,230.70/384,279.76
  6. Step 6: Final answer
    x = 155,695.31

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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.