Home / 255,198.78-382,010.85-233,425.98

Finding the Fourth Proportional to 255,198.78, 382,010.85 and 233,425.98

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Solution

The fourth proportional to 255,198.78, 382,010.85 and 233,425.98 is: 349,418.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,198.78 : 382,010.85 = 233,425.98 : x
  2. Step 2: Convert to fraction form
    255,198.78/382,010.85 = 233,425.98/x
  3. Step 3: Cross multiply
    255,198.78x = 382,010.85 × 233,425.98
  4. Step 4: Simplify right side
    255,198.78x = 89,171,257,031.88
  5. Step 5: Solve for x
    x = 89,171,257,031.88/255,198.78
  6. Step 6: Final answer
    x = 349,418.82

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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.