Home / 331,857.64-497,744.08-107,194.72

Finding the Fourth Proportional to 331,857.64, 497,744.08 and 107,194.72

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Solution

The fourth proportional to 331,857.64, 497,744.08 and 107,194.72 is: 160,778.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,857.64 : 497,744.08 = 107,194.72 : x
  2. Step 2: Convert to fraction form
    331,857.64/497,744.08 = 107,194.72/x
  3. Step 3: Cross multiply
    331,857.64x = 497,744.08 × 107,194.72
  4. Step 4: Simplify right side
    331,857.64x = 53,355,537,287.26
  5. Step 5: Solve for x
    x = 53,355,537,287.26/331,857.64
  6. Step 6: Final answer
    x = 160,778.39

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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.