Home / 300,928.38-451,285.04-140,977.08

Finding the Fourth Proportional to 300,928.38, 451,285.04 and 140,977.08

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Solution

The fourth proportional to 300,928.38, 451,285.04 and 140,977.08 is: 211,415.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,928.38 : 451,285.04 = 140,977.08 : x
  2. Step 2: Convert to fraction form
    300,928.38/451,285.04 = 140,977.08/x
  3. Step 3: Cross multiply
    300,928.38x = 451,285.04 × 140,977.08
  4. Step 4: Simplify right side
    300,928.38x = 63,620,846,482.00
  5. Step 5: Solve for x
    x = 63,620,846,482.00/300,928.38
  6. Step 6: Final answer
    x = 211,415.24

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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.