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Finding the Fourth Proportional to 242,513.70, 363,770.55 and 191,775.30

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Solution

The fourth proportional to 242,513.70, 363,770.55 and 191,775.30 is: 287,662.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,513.70 : 363,770.55 = 191,775.30 : x
  2. Step 2: Convert to fraction form
    242,513.70/363,770.55 = 191,775.30/x
  3. Step 3: Cross multiply
    242,513.70x = 363,770.55 × 191,775.30
  4. Step 4: Simplify right side
    242,513.70x = 69,762,206,357.42
  5. Step 5: Solve for x
    x = 69,762,206,357.42/242,513.70
  6. Step 6: Final answer
    x = 287,662.95

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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.