Home / 445,682.35-668,579.57-146,193.20

Finding the Fourth Proportional to 445,682.35, 668,579.57 and 146,193.20

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Solution

The fourth proportional to 445,682.35, 668,579.57 and 146,193.20 is: 219,308.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,682.35 : 668,579.57 = 146,193.20 : x
  2. Step 2: Convert to fraction form
    445,682.35/668,579.57 = 146,193.20/x
  3. Step 3: Cross multiply
    445,682.35x = 668,579.57 × 146,193.20
  4. Step 4: Simplify right side
    445,682.35x = 97,741,789,535.22
  5. Step 5: Solve for x
    x = 97,741,789,535.22/445,682.35
  6. Step 6: Final answer
    x = 219,308.19

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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.