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Finding the Fourth Proportional to 339,580.08, 509,574.24 and 126,504.72

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Solution

The fourth proportional to 339,580.08, 509,574.24 and 126,504.72 is: 189,833.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,580.08 : 509,574.24 = 126,504.72 : x
  2. Step 2: Convert to fraction form
    339,580.08/509,574.24 = 126,504.72/x
  3. Step 3: Cross multiply
    339,580.08x = 509,574.24 × 126,504.72
  4. Step 4: Simplify right side
    339,580.08x = 64,463,546,550.41
  5. Step 5: Solve for x
    x = 64,463,546,550.41/339,580.08
  6. Step 6: Final answer
    x = 189,833.12

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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.