Home / 331,243.74-496,979.01-141,625.98

Finding the Fourth Proportional to 331,243.74, 496,979.01 and 141,625.98

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Solution

The fourth proportional to 331,243.74, 496,979.01 and 141,625.98 is: 212,487.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,243.74 : 496,979.01 = 141,625.98 : x
  2. Step 2: Convert to fraction form
    331,243.74/496,979.01 = 141,625.98/x
  3. Step 3: Cross multiply
    331,243.74x = 496,979.01 × 141,625.98
  4. Step 4: Simplify right side
    331,243.74x = 70,385,139,330.68
  5. Step 5: Solve for x
    x = 70,385,139,330.68/331,243.74
  6. Step 6: Final answer
    x = 212,487.46

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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.