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Finding the Fourth Proportional to 197,941, 297,070.80 and 112,604.26

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Solution

The fourth proportional to 197,941, 297,070.80 and 112,604.26 is: 168,997.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,941 : 297,070.80 = 112,604.26 : x
  2. Step 2: Convert to fraction form
    197,941/297,070.80 = 112,604.26/x
  3. Step 3: Cross multiply
    197,941x = 297,070.80 × 112,604.26
  4. Step 4: Simplify right side
    197,941x = 33,451,437,601.61
  5. Step 5: Solve for x
    x = 33,451,437,601.61/197,941
  6. Step 6: Final answer
    x = 168,997.01

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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.