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Finding the Fourth Proportional to 297,105.80, 445,053.90 and 184,440.20

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Solution

The fourth proportional to 297,105.80, 445,053.90 and 184,440.20 is: 276,284.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,105.80 : 445,053.90 = 184,440.20 : x
  2. Step 2: Convert to fraction form
    297,105.80/445,053.90 = 184,440.20/x
  3. Step 3: Cross multiply
    297,105.80x = 445,053.90 × 184,440.20
  4. Step 4: Simplify right side
    297,105.80x = 82,085,830,326.78
  5. Step 5: Solve for x
    x = 82,085,830,326.78/297,105.80
  6. Step 6: Final answer
    x = 276,284.85

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1.5x scale

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.