Home / 355,844.32-533,682.64-131,082.68

Finding the Fourth Proportional to 355,844.32, 533,682.64 and 131,082.68

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Solution

The fourth proportional to 355,844.32, 533,682.64 and 131,082.68 is: 196,593.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,844.32 : 533,682.64 = 131,082.68 : x
  2. Step 2: Convert to fraction form
    355,844.32/533,682.64 = 131,082.68/x
  3. Step 3: Cross multiply
    355,844.32x = 533,682.64 × 131,082.68
  4. Step 4: Simplify right side
    355,844.32x = 69,956,550,720.68
  5. Step 5: Solve for x
    x = 69,956,550,720.68/355,844.32
  6. Step 6: Final answer
    x = 196,593.14

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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.