Home / 300,279.07-450,933.77-266,621.14

Finding the Fourth Proportional to 300,279.07, 450,933.77 and 266,621.14

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Solution

The fourth proportional to 300,279.07, 450,933.77 and 266,621.14 is: 400,389.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,279.07 : 450,933.77 = 266,621.14 : x
  2. Step 2: Convert to fraction form
    300,279.07/450,933.77 = 266,621.14/x
  3. Step 3: Cross multiply
    300,279.07x = 450,933.77 × 266,621.14
  4. Step 4: Simplify right side
    300,279.07x = 120,228,475,821.90
  5. Step 5: Solve for x
    x = 120,228,475,821.90/300,279.07
  6. Step 6: Final answer
    x = 400,389.13

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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.