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Finding the Fourth Proportional to 205,336, 308,126.88 and 88,600

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Solution

The fourth proportional to 205,336, 308,126.88 and 88,600 is: 132,953.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,336 : 308,126.88 = 88,600 : x
  2. Step 2: Convert to fraction form
    205,336/308,126.88 = 88,600/x
  3. Step 3: Cross multiply
    205,336x = 308,126.88 × 88,600
  4. Step 4: Simplify right side
    205,336x = 27,300,041,568
  5. Step 5: Solve for x
    x = 27,300,041,568/205,336
  6. Step 6: Final answer
    x = 132,953.02

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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.