Home / 297,260.22-445,956.41-139,404.54

Finding the Fourth Proportional to 297,260.22, 445,956.41 and 139,404.54

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Solution

The fourth proportional to 297,260.22, 445,956.41 and 139,404.54 is: 209,137.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,260.22 : 445,956.41 = 139,404.54 : x
  2. Step 2: Convert to fraction form
    297,260.22/445,956.41 = 139,404.54/x
  3. Step 3: Cross multiply
    297,260.22x = 445,956.41 × 139,404.54
  4. Step 4: Simplify right side
    297,260.22x = 62,168,348,196.10
  5. Step 5: Solve for x
    x = 62,168,348,196.10/297,260.22
  6. Step 6: Final answer
    x = 209,137.80

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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.