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Finding the Fourth Proportional to 556,255.05, 834,414.87 and 214,700.37

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Solution

The fourth proportional to 556,255.05, 834,414.87 and 214,700.37 is: 322,063.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,255.05 : 834,414.87 = 214,700.37 : x
  2. Step 2: Convert to fraction form
    556,255.05/834,414.87 = 214,700.37/x
  3. Step 3: Cross multiply
    556,255.05x = 834,414.87 × 214,700.37
  4. Step 4: Simplify right side
    556,255.05x = 179,149,181,322.50
  5. Step 5: Solve for x
    x = 179,149,181,322.50/556,255.05
  6. Step 6: Final answer
    x = 322,063.02

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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.