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Finding the Fourth Proportional to 505,558.88, 758,287.92 and 131,581.92

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Solution

The fourth proportional to 505,558.88, 758,287.92 and 131,581.92 is: 197,359.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,558.88 : 758,287.92 = 131,581.92 : x
  2. Step 2: Convert to fraction form
    505,558.88/758,287.92 = 131,581.92/x
  3. Step 3: Cross multiply
    505,558.88x = 758,287.92 × 131,581.92
  4. Step 4: Simplify right side
    505,558.88x = 99,776,980,426.41
  5. Step 5: Solve for x
    x = 99,776,980,426.41/505,558.88
  6. Step 6: Final answer
    x = 197,359.76

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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.