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Finding the Fourth Proportional to 492,514.34, 738,771.64 and 118,537.34

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Solution

The fourth proportional to 492,514.34, 738,771.64 and 118,537.34 is: 177,806.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,514.34 : 738,771.64 = 118,537.34 : x
  2. Step 2: Convert to fraction form
    492,514.34/738,771.64 = 118,537.34/x
  3. Step 3: Cross multiply
    492,514.34x = 738,771.64 × 118,537.34
  4. Step 4: Simplify right side
    492,514.34x = 87,572,021,082.84
  5. Step 5: Solve for x
    x = 87,572,021,082.84/492,514.34
  6. Step 6: Final answer
    x = 177,806.03

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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.