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Finding the Fourth Proportional to 197,813.34, 296,766.68 and 64,693.08

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Solution

The fourth proportional to 197,813.34, 296,766.68 and 64,693.08 is: 97,054.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,813.34 : 296,766.68 = 64,693.08 : x
  2. Step 2: Convert to fraction form
    197,813.34/296,766.68 = 64,693.08/x
  3. Step 3: Cross multiply
    197,813.34x = 296,766.68 × 64,693.08
  4. Step 4: Simplify right side
    197,813.34x = 19,198,750,570.57
  5. Step 5: Solve for x
    x = 19,198,750,570.57/197,813.34
  6. Step 6: Final answer
    x = 97,054.88

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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.