Home / 356,145.48-534,213.77-143,007.75

Finding the Fourth Proportional to 356,145.48, 534,213.77 and 143,007.75

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Solution

The fourth proportional to 356,145.48, 534,213.77 and 143,007.75 is: 214,509.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,145.48 : 534,213.77 = 143,007.75 : x
  2. Step 2: Convert to fraction form
    356,145.48/534,213.77 = 143,007.75/x
  3. Step 3: Cross multiply
    356,145.48x = 534,213.77 × 143,007.75
  4. Step 4: Simplify right side
    356,145.48x = 76,396,708,551.68
  5. Step 5: Solve for x
    x = 76,396,708,551.68/356,145.48
  6. Step 6: Final answer
    x = 214,509.84

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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.