Home / 245,786.64-339,396.12-155,299.92

Finding the Fourth Proportional to 245,786.64, 339,396.12 and 155,299.92

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Solution

The fourth proportional to 245,786.64, 339,396.12 and 155,299.92 is: 214,446.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,786.64 : 339,396.12 = 155,299.92 : x
  2. Step 2: Convert to fraction form
    245,786.64/339,396.12 = 155,299.92/x
  3. Step 3: Cross multiply
    245,786.64x = 339,396.12 × 155,299.92
  4. Step 4: Simplify right side
    245,786.64x = 52,708,190,284.31
  5. Step 5: Solve for x
    x = 52,708,190,284.31/245,786.64
  6. Step 6: Final answer
    x = 214,446.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.