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Finding the Fourth Proportional to 302,556.90, 453,900.15 and 92,216.10

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Solution

The fourth proportional to 302,556.90, 453,900.15 and 92,216.10 is: 138,343.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,556.90 : 453,900.15 = 92,216.10 : x
  2. Step 2: Convert to fraction form
    302,556.90/453,900.15 = 92,216.10/x
  3. Step 3: Cross multiply
    302,556.90x = 453,900.15 × 92,216.10
  4. Step 4: Simplify right side
    302,556.90x = 41,856,901,622.42
  5. Step 5: Solve for x
    x = 41,856,901,622.42/302,556.90
  6. Step 6: Final answer
    x = 138,343.90

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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.