Home / 331,433.16-497,169.46-103,771.42

Finding the Fourth Proportional to 331,433.16, 497,169.46 and 103,771.42

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Solution

The fourth proportional to 331,433.16, 497,169.46 and 103,771.42 is: 155,663.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,433.16 : 497,169.46 = 103,771.42 : x
  2. Step 2: Convert to fraction form
    331,433.16/497,169.46 = 103,771.42/x
  3. Step 3: Cross multiply
    331,433.16x = 497,169.46 × 103,771.42
  4. Step 4: Simplify right side
    331,433.16x = 51,591,980,844.83
  5. Step 5: Solve for x
    x = 51,591,980,844.83/331,433.16
  6. Step 6: Final answer
    x = 155,663.30

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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.