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Finding the Fourth Proportional to 375,519, 561,216.84 and 274,529.66

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Solution

The fourth proportional to 375,519, 561,216.84 and 274,529.66 is: 410,287.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,519 : 561,216.84 = 274,529.66 : x
  2. Step 2: Convert to fraction form
    375,519/561,216.84 = 274,529.66/x
  3. Step 3: Cross multiply
    375,519x = 561,216.84 × 274,529.66
  4. Step 4: Simplify right side
    375,519x = 154,070,665,465.39
  5. Step 5: Solve for x
    x = 154,070,665,465.39/375,519
  6. Step 6: Final answer
    x = 410,287.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.