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Finding the Fourth Proportional to 408,273.84, 612,216.36 and 155,566.80

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Solution

The fourth proportional to 408,273.84, 612,216.36 and 155,566.80 is: 233,276.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,273.84 : 612,216.36 = 155,566.80 : x
  2. Step 2: Convert to fraction form
    408,273.84/612,216.36 = 155,566.80/x
  3. Step 3: Cross multiply
    408,273.84x = 612,216.36 × 155,566.80
  4. Step 4: Simplify right side
    408,273.84x = 95,240,540,032.85
  5. Step 5: Solve for x
    x = 95,240,540,032.85/408,273.84
  6. Step 6: Final answer
    x = 233,276.13

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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.