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Finding the Fourth Proportional to 273,760.48, 377,778.80 and 171,840.64

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Solution

The fourth proportional to 273,760.48, 377,778.80 and 171,840.64 is: 237,133.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,760.48 : 377,778.80 = 171,840.64 : x
  2. Step 2: Convert to fraction form
    273,760.48/377,778.80 = 171,840.64/x
  3. Step 3: Cross multiply
    273,760.48x = 377,778.80 × 171,840.64
  4. Step 4: Simplify right side
    273,760.48x = 64,917,750,770.43
  5. Step 5: Solve for x
    x = 64,917,750,770.43/273,760.48
  6. Step 6: Final answer
    x = 237,133.39

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1.5x scale

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.