Home / 354,238.01-531,473.67-143,819.45

Finding the Fourth Proportional to 354,238.01, 531,473.67 and 143,819.45

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Solution

The fourth proportional to 354,238.01, 531,473.67 and 143,819.45 is: 215,776.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,238.01 : 531,473.67 = 143,819.45 : x
  2. Step 2: Convert to fraction form
    354,238.01/531,473.67 = 143,819.45/x
  3. Step 3: Cross multiply
    354,238.01x = 531,473.67 × 143,819.45
  4. Step 4: Simplify right side
    354,238.01x = 76,436,250,908.88
  5. Step 5: Solve for x
    x = 76,436,250,908.88/354,238.01
  6. Step 6: Final answer
    x = 215,776.54

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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.