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Finding the Fourth Proportional to 373,520.36, 515,457.47 and 203,754.48

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Solution

The fourth proportional to 373,520.36, 515,457.47 and 203,754.48 is: 281,180.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,520.36 : 515,457.47 = 203,754.48 : x
  2. Step 2: Convert to fraction form
    373,520.36/515,457.47 = 203,754.48/x
  3. Step 3: Cross multiply
    373,520.36x = 515,457.47 × 203,754.48
  4. Step 4: Simplify right side
    373,520.36x = 105,026,767,743.19
  5. Step 5: Solve for x
    x = 105,026,767,743.19/373,520.36
  6. Step 6: Final answer
    x = 281,180.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.