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Finding the Fourth Proportional to 273,311.52, 377,186.80 and 150,803.30

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Solution

The fourth proportional to 273,311.52, 377,186.80 and 150,803.30 is: 208,117.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,311.52 : 377,186.80 = 150,803.30 : x
  2. Step 2: Convert to fraction form
    273,311.52/377,186.80 = 150,803.30/x
  3. Step 3: Cross multiply
    273,311.52x = 377,186.80 × 150,803.30
  4. Step 4: Simplify right side
    273,311.52x = 56,881,014,156.44
  5. Step 5: Solve for x
    x = 56,881,014,156.44/273,311.52
  6. Step 6: Final answer
    x = 208,117.88

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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.