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Finding the Fourth Proportional to 349,647.98, 524,131.70 and 222,892.70

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Solution

The fourth proportional to 349,647.98, 524,131.70 and 222,892.70 is: 334,122.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,647.98 : 524,131.70 = 222,892.70 : x
  2. Step 2: Convert to fraction form
    349,647.98/524,131.70 = 222,892.70/x
  3. Step 3: Cross multiply
    349,647.98x = 524,131.70 × 222,892.70
  4. Step 4: Simplify right side
    349,647.98x = 116,825,126,033.47
  5. Step 5: Solve for x
    x = 116,825,126,033.47/349,647.98
  6. Step 6: Final answer
    x = 334,122.13

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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.