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Finding the Fourth Proportional to 296,909, 445,602.45 and 168,903.89

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Solution

The fourth proportional to 296,909, 445,602.45 and 168,903.89 is: 253,491.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,909 : 445,602.45 = 168,903.89 : x
  2. Step 2: Convert to fraction form
    296,909/445,602.45 = 168,903.89/x
  3. Step 3: Cross multiply
    296,909x = 445,602.45 × 168,903.89
  4. Step 4: Simplify right side
    296,909x = 75,263,987,198.53
  5. Step 5: Solve for x
    x = 75,263,987,198.53/296,909
  6. Step 6: Final answer
    x = 253,491.77

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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.