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Finding the Fourth Proportional to 510,754.02, 766,175.13 and 131,671.55

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Solution

The fourth proportional to 510,754.02, 766,175.13 and 131,671.55 is: 197,518.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,754.02 : 766,175.13 = 131,671.55 : x
  2. Step 2: Convert to fraction form
    510,754.02/766,175.13 = 131,671.55/x
  3. Step 3: Cross multiply
    510,754.02x = 766,175.13 × 131,671.55
  4. Step 4: Simplify right side
    510,754.02x = 100,883,463,107.68
  5. Step 5: Solve for x
    x = 100,883,463,107.68/510,754.02
  6. Step 6: Final answer
    x = 197,518.69

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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.