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Finding the Fourth Proportional to 373,529.64, 515,470.24 and 203,763.72

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Solution

The fourth proportional to 373,529.64, 515,470.24 and 203,763.72 is: 281,193.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,529.64 : 515,470.24 = 203,763.72 : x
  2. Step 2: Convert to fraction form
    373,529.64/515,470.24 = 203,763.72/x
  3. Step 3: Cross multiply
    373,529.64x = 515,470.24 × 203,763.72
  4. Step 4: Simplify right side
    373,529.64x = 105,034,133,651.69
  5. Step 5: Solve for x
    x = 105,034,133,651.69/373,529.64
  6. Step 6: Final answer
    x = 281,193.57

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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.