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Finding the Fourth Proportional to 273,953.96, 377,811.67 and 171,988.92

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Solution

The fourth proportional to 273,953.96, 377,811.67 and 171,988.92 is: 237,191.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,953.96 : 377,811.67 = 171,988.92 : x
  2. Step 2: Convert to fraction form
    273,953.96/377,811.67 = 171,988.92/x
  3. Step 3: Cross multiply
    273,953.96x = 377,811.67 × 171,988.92
  4. Step 4: Simplify right side
    273,953.96x = 64,979,421,583.85
  5. Step 5: Solve for x
    x = 64,979,421,583.85/273,953.96
  6. Step 6: Final answer
    x = 237,191.03

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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.