Home / 801,129.12-1,201,662.24-202,082.40

Finding the Fourth Proportional to 801,129.12, 1,201,662.24 and 202,082.40

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Solution

The fourth proportional to 801,129.12, 1,201,662.24 and 202,082.40 is: 303,115.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,129.12 : 1,201,662.24 = 202,082.40 : x
  2. Step 2: Convert to fraction form
    801,129.12/1,201,662.24 = 202,082.40/x
  3. Step 3: Cross multiply
    801,129.12x = 1,201,662.24 × 202,082.40
  4. Step 4: Simplify right side
    801,129.12x = 242,834,789,448.58
  5. Step 5: Solve for x
    x = 242,834,789,448.58/801,129.12
  6. Step 6: Final answer
    x = 303,115.67

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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.