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Finding the Fourth Proportional to 511,562.61, 767,034.84 and 203,861.94

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Solution

The fourth proportional to 511,562.61, 767,034.84 and 203,861.94 is: 305,669.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,562.61 : 767,034.84 = 203,861.94 : x
  2. Step 2: Convert to fraction form
    511,562.61/767,034.84 = 203,861.94/x
  3. Step 3: Cross multiply
    511,562.61x = 767,034.84 × 203,861.94
  4. Step 4: Simplify right side
    511,562.61x = 156,369,210,529.99
  5. Step 5: Solve for x
    x = 156,369,210,529.99/511,562.61
  6. Step 6: Final answer
    x = 305,669.74

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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.