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Finding the Fourth Proportional to 197,490.60, 295,992.90 and 134,310.60

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Solution

The fourth proportional to 197,490.60, 295,992.90 and 134,310.60 is: 201,300.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,490.60 : 295,992.90 = 134,310.60 : x
  2. Step 2: Convert to fraction form
    197,490.60/295,992.90 = 134,310.60/x
  3. Step 3: Cross multiply
    197,490.60x = 295,992.90 × 134,310.60
  4. Step 4: Simplify right side
    197,490.60x = 39,754,983,994.74
  5. Step 5: Solve for x
    x = 39,754,983,994.74/197,490.60
  6. Step 6: Final answer
    x = 201,300.64

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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.