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Finding the Fourth Proportional to 191,530, 287,295 and 60,202

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Solution

The fourth proportional to 191,530, 287,295 and 60,202 is: 90,303

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,530 : 287,295 = 60,202 : x
  2. Step 2: Convert to fraction form
    191,530/287,295 = 60,202/x
  3. Step 3: Cross multiply
    191,530x = 287,295 × 60,202
  4. Step 4: Simplify right side
    191,530x = 17,295,733,590
  5. Step 5: Solve for x
    x = 17,295,733,590/191,530
  6. Step 6: Final answer
    x = 90,303

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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.