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Finding the Fourth Proportional to 452,147.52, 678,538.80 and 186,150

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Solution

The fourth proportional to 452,147.52, 678,538.80 and 186,150 is: 279,355.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,147.52 : 678,538.80 = 186,150 : x
  2. Step 2: Convert to fraction form
    452,147.52/678,538.80 = 186,150/x
  3. Step 3: Cross multiply
    452,147.52x = 678,538.80 × 186,150
  4. Step 4: Simplify right side
    452,147.52x = 126,309,997,620.00
  5. Step 5: Solve for x
    x = 126,309,997,620.00/452,147.52
  6. Step 6: Final answer
    x = 279,355.72

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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.