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Finding the Fourth Proportional to 510,418.47, 765,697.77 and 173,368.64

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Solution

The fourth proportional to 510,418.47, 765,697.77 and 173,368.64 is: 260,076.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,418.47 : 765,697.77 = 173,368.64 : x
  2. Step 2: Convert to fraction form
    510,418.47/765,697.77 = 173,368.64/x
  3. Step 3: Cross multiply
    510,418.47x = 765,697.77 × 173,368.64
  4. Step 4: Simplify right side
    510,418.47x = 132,747,977,207.44
  5. Step 5: Solve for x
    x = 132,747,977,207.44/510,418.47
  6. Step 6: Final answer
    x = 260,076.75

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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.