Home / 331,529.48-497,297.67-265,390.04

Finding the Fourth Proportional to 331,529.48, 497,297.67 and 265,390.04

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Solution

The fourth proportional to 331,529.48, 497,297.67 and 265,390.04 is: 398,087.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,529.48 : 497,297.67 = 265,390.04 : x
  2. Step 2: Convert to fraction form
    331,529.48/497,297.67 = 265,390.04/x
  3. Step 3: Cross multiply
    331,529.48x = 497,297.67 × 265,390.04
  4. Step 4: Simplify right side
    331,529.48x = 131,977,846,046.72
  5. Step 5: Solve for x
    x = 131,977,846,046.72/331,529.48
  6. Step 6: Final answer
    x = 398,087.82

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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.