Home / 331,558.53-497,415.56-131,890.29

Finding the Fourth Proportional to 331,558.53, 497,415.56 and 131,890.29

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Solution

The fourth proportional to 331,558.53, 497,415.56 and 131,890.29 is: 197,866.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,558.53 : 497,415.56 = 131,890.29 : x
  2. Step 2: Convert to fraction form
    331,558.53/497,415.56 = 131,890.29/x
  3. Step 3: Cross multiply
    331,558.53x = 497,415.56 × 131,890.29
  4. Step 4: Simplify right side
    331,558.53x = 65,604,282,458.91
  5. Step 5: Solve for x
    x = 65,604,282,458.91/331,558.53
  6. Step 6: Final answer
    x = 197,866.37

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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.