Home / 257,977.89-385,965.68-226,148.54

Finding the Fourth Proportional to 257,977.89, 385,965.68 and 226,148.54

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Solution

The fourth proportional to 257,977.89, 385,965.68 and 226,148.54 is: 338,345.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,977.89 : 385,965.68 = 226,148.54 : x
  2. Step 2: Convert to fraction form
    257,977.89/385,965.68 = 226,148.54/x
  3. Step 3: Cross multiply
    257,977.89x = 385,965.68 × 226,148.54
  4. Step 4: Simplify right side
    257,977.89x = 87,285,571,961.54
  5. Step 5: Solve for x
    x = 87,285,571,961.54/257,977.89
  6. Step 6: Final answer
    x = 338,345.17

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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.