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Finding the Fourth Proportional to 505,550.52, 757,742.58 and 189,806.04

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Solution

The fourth proportional to 505,550.52, 757,742.58 and 189,806.04 is: 284,490.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,550.52 : 757,742.58 = 189,806.04 : x
  2. Step 2: Convert to fraction form
    505,550.52/757,742.58 = 189,806.04/x
  3. Step 3: Cross multiply
    505,550.52x = 757,742.58 × 189,806.04
  4. Step 4: Simplify right side
    505,550.52x = 143,824,118,449.18
  5. Step 5: Solve for x
    x = 143,824,118,449.18/505,550.52
  6. Step 6: Final answer
    x = 284,490.10

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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.