Home / 300,692.24-451,186.55-140,779.00

Finding the Fourth Proportional to 300,692.24, 451,186.55 and 140,779.00

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Solution

The fourth proportional to 300,692.24, 451,186.55 and 140,779.00 is: 211,237.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,692.24 : 451,186.55 = 140,779.00 : x
  2. Step 2: Convert to fraction form
    300,692.24/451,186.55 = 140,779.00/x
  3. Step 3: Cross multiply
    300,692.24x = 451,186.55 × 140,779.00
  4. Step 4: Simplify right side
    300,692.24x = 63,517,590,597.27
  5. Step 5: Solve for x
    x = 63,517,590,597.27/300,692.24
  6. Step 6: Final answer
    x = 211,237.88

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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.