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Finding the Fourth Proportional to 302,198.72, 453,142.07 and 88,938.96

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Solution

The fourth proportional to 302,198.72, 453,142.07 and 88,938.96 is: 133,362.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,198.72 : 453,142.07 = 88,938.96 : x
  2. Step 2: Convert to fraction form
    302,198.72/453,142.07 = 88,938.96/x
  3. Step 3: Cross multiply
    302,198.72x = 453,142.07 × 88,938.96
  4. Step 4: Simplify right side
    302,198.72x = 40,301,982,172.34
  5. Step 5: Solve for x
    x = 40,301,982,172.34/302,198.72
  6. Step 6: Final answer
    x = 133,362.52

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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.