Home / 297,233.29-445,917.98-128,781.64

Finding the Fourth Proportional to 297,233.29, 445,917.98 and 128,781.64

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Solution

The fourth proportional to 297,233.29, 445,917.98 and 128,781.64 is: 193,201.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,233.29 : 445,917.98 = 128,781.64 : x
  2. Step 2: Convert to fraction form
    297,233.29/445,917.98 = 128,781.64/x
  3. Step 3: Cross multiply
    297,233.29x = 445,917.98 × 128,781.64
  4. Step 4: Simplify right side
    297,233.29x = 57,426,048,769.89
  5. Step 5: Solve for x
    x = 57,426,048,769.89/297,233.29
  6. Step 6: Final answer
    x = 193,201.94

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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.