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Finding the Fourth Proportional to 300,590.39, 450,937.53 and 100,930.05

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Solution

The fourth proportional to 300,590.39, 450,937.53 and 100,930.05 is: 151,412.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,590.39 : 450,937.53 = 100,930.05 : x
  2. Step 2: Convert to fraction form
    300,590.39/450,937.53 = 100,930.05/x
  3. Step 3: Cross multiply
    300,590.39x = 450,937.53 × 100,930.05
  4. Step 4: Simplify right side
    300,590.39x = 45,513,147,449.78
  5. Step 5: Solve for x
    x = 45,513,147,449.78/300,590.39
  6. Step 6: Final answer
    x = 151,412.52

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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.