Home / 264,654.45-396,950.67-75,131.46

Finding the Fourth Proportional to 264,654.45, 396,950.67 and 75,131.46

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Solution

The fourth proportional to 264,654.45, 396,950.67 and 75,131.46 is: 112,688.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,654.45 : 396,950.67 = 75,131.46 : x
  2. Step 2: Convert to fraction form
    264,654.45/396,950.67 = 75,131.46/x
  3. Step 3: Cross multiply
    264,654.45x = 396,950.67 × 75,131.46
  4. Step 4: Simplify right side
    264,654.45x = 29,823,483,385.08
  5. Step 5: Solve for x
    x = 29,823,483,385.08/264,654.45
  6. Step 6: Final answer
    x = 112,688.39

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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.