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Finding the Fourth Proportional to 373,566.35, 515,527.34 and 203,800.47

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Solution

The fourth proportional to 373,566.35, 515,527.34 and 203,800.47 is: 281,247.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,566.35 : 515,527.34 = 203,800.47 : x
  2. Step 2: Convert to fraction form
    373,566.35/515,527.34 = 203,800.47/x
  3. Step 3: Cross multiply
    373,566.35x = 515,527.34 × 203,800.47
  4. Step 4: Simplify right side
    373,566.35x = 105,064,713,170.85
  5. Step 5: Solve for x
    x = 105,064,713,170.85/373,566.35
  6. Step 6: Final answer
    x = 281,247.80

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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.