Home / 445,225.26-667,830.74-141,615

Finding the Fourth Proportional to 445,225.26, 667,830.74 and 141,615

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Solution

The fourth proportional to 445,225.26, 667,830.74 and 141,615 is: 212,420.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,225.26 : 667,830.74 = 141,615 : x
  2. Step 2: Convert to fraction form
    445,225.26/667,830.74 = 141,615/x
  3. Step 3: Cross multiply
    445,225.26x = 667,830.74 × 141,615
  4. Step 4: Simplify right side
    445,225.26x = 94,574,850,245.10
  5. Step 5: Solve for x
    x = 94,574,850,245.10/445,225.26
  6. Step 6: Final answer
    x = 212,420.23

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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.