Home / 427,245.01-641,252.72-227,731.57

Finding the Fourth Proportional to 427,245.01, 641,252.72 and 227,731.57

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Solution

The fourth proportional to 427,245.01, 641,252.72 and 227,731.57 is: 341,802.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,245.01 : 641,252.72 = 227,731.57 : x
  2. Step 2: Convert to fraction form
    427,245.01/641,252.72 = 227,731.57/x
  3. Step 3: Cross multiply
    427,245.01x = 641,252.72 × 227,731.57
  4. Step 4: Simplify right side
    427,245.01x = 146,033,488,692.37
  5. Step 5: Solve for x
    x = 146,033,488,692.37/427,245.01
  6. Step 6: Final answer
    x = 341,802.68

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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.