Home / 356,455.03-534,640.92-143,214.34

Finding the Fourth Proportional to 356,455.03, 534,640.92 and 143,214.34

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Solution

The fourth proportional to 356,455.03, 534,640.92 and 143,214.34 is: 214,804.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,455.03 : 534,640.92 = 143,214.34 : x
  2. Step 2: Convert to fraction form
    356,455.03/534,640.92 = 143,214.34/x
  3. Step 3: Cross multiply
    356,455.03x = 534,640.92 × 143,214.34
  4. Step 4: Simplify right side
    356,455.03x = 76,568,246,494.79
  5. Step 5: Solve for x
    x = 76,568,246,494.79/356,455.03
  6. Step 6: Final answer
    x = 214,804.79

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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.