Home / 270,475.12-405,945.96-104,379.76

Finding the Fourth Proportional to 270,475.12, 405,945.96 and 104,379.76

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Solution

The fourth proportional to 270,475.12, 405,945.96 and 104,379.76 is: 156,659.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,475.12 : 405,945.96 = 104,379.76 : x
  2. Step 2: Convert to fraction form
    270,475.12/405,945.96 = 104,379.76/x
  3. Step 3: Cross multiply
    270,475.12x = 405,945.96 × 104,379.76
  4. Step 4: Simplify right side
    270,475.12x = 42,372,541,877.77
  5. Step 5: Solve for x
    x = 42,372,541,877.77/270,475.12
  6. Step 6: Final answer
    x = 156,659.67

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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.