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Finding the Fourth Proportional to 300,609.19, 450,935.67 and 100,927.90

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Solution

The fourth proportional to 300,609.19, 450,935.67 and 100,927.90 is: 151,399.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,609.19 : 450,935.67 = 100,927.90 : x
  2. Step 2: Convert to fraction form
    300,609.19/450,935.67 = 100,927.90/x
  3. Step 3: Cross multiply
    300,609.19x = 450,935.67 × 100,927.90
  4. Step 4: Simplify right side
    300,609.19x = 45,511,987,953.51
  5. Step 5: Solve for x
    x = 45,511,987,953.51/300,609.19
  6. Step 6: Final answer
    x = 151,399.19

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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.