Home / 197,956.20-296,931.60-64,840.80

Finding the Fourth Proportional to 197,956.20, 296,931.60 and 64,840.80

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Solution

The fourth proportional to 197,956.20, 296,931.60 and 64,840.80 is: 97,260.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,956.20 : 296,931.60 = 64,840.80 : x
  2. Step 2: Convert to fraction form
    197,956.20/296,931.60 = 64,840.80/x
  3. Step 3: Cross multiply
    197,956.20x = 296,931.60 × 64,840.80
  4. Step 4: Simplify right side
    197,956.20x = 19,253,282,489.28
  5. Step 5: Solve for x
    x = 19,253,282,489.28/197,956.20
  6. Step 6: Final answer
    x = 97,260.32

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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.