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Finding the Fourth Proportional to 336,565.25, 504,699.84 and 126,055.56

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Solution

The fourth proportional to 336,565.25, 504,699.84 and 126,055.56 is: 189,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,565.25 : 504,699.84 = 126,055.56 : x
  2. Step 2: Convert to fraction form
    336,565.25/504,699.84 = 126,055.56/x
  3. Step 3: Cross multiply
    336,565.25x = 504,699.84 × 126,055.56
  4. Step 4: Simplify right side
    336,565.25x = 63,620,220,963.11
  5. Step 5: Solve for x
    x = 63,620,220,963.11/336,565.25
  6. Step 6: Final answer
    x = 189,027.90

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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.