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Finding the Fourth Proportional to 191,556, 287,334 and 60,228

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Solution

The fourth proportional to 191,556, 287,334 and 60,228 is: 90,342

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,556 : 287,334 = 60,228 : x
  2. Step 2: Convert to fraction form
    191,556/287,334 = 60,228/x
  3. Step 3: Cross multiply
    191,556x = 287,334 × 60,228
  4. Step 4: Simplify right side
    191,556x = 17,305,552,152
  5. Step 5: Solve for x
    x = 17,305,552,152/191,556
  6. Step 6: Final answer
    x = 90,342

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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.