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Finding the Fourth Proportional to 273,124.80, 376,698.52 and 177,661.96

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Solution

The fourth proportional to 273,124.80, 376,698.52 and 177,661.96 is: 245,034.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,124.80 : 376,698.52 = 177,661.96 : x
  2. Step 2: Convert to fraction form
    273,124.80/376,698.52 = 177,661.96/x
  3. Step 3: Cross multiply
    273,124.80x = 376,698.52 × 177,661.96
  4. Step 4: Simplify right side
    273,124.80x = 66,924,997,392.30
  5. Step 5: Solve for x
    x = 66,924,997,392.30/273,124.80
  6. Step 6: Final answer
    x = 245,034.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.