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Finding the Fourth Proportional to 302,871.45, 453,815.10 and 252,679.80

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Solution

The fourth proportional to 302,871.45, 453,815.10 and 252,679.80 is: 378,609.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,871.45 : 453,815.10 = 252,679.80 : x
  2. Step 2: Convert to fraction form
    302,871.45/453,815.10 = 252,679.80/x
  3. Step 3: Cross multiply
    302,871.45x = 453,815.10 × 252,679.80
  4. Step 4: Simplify right side
    302,871.45x = 114,669,908,704.98
  5. Step 5: Solve for x
    x = 114,669,908,704.98/302,871.45
  6. Step 6: Final answer
    x = 378,609.17

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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.