Home / 245,887.22-339,348.69-143,906.60

Finding the Fourth Proportional to 245,887.22, 339,348.69 and 143,906.60

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Solution

The fourth proportional to 245,887.22, 339,348.69 and 143,906.60 is: 198,605.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,887.22 : 339,348.69 = 143,906.60 : x
  2. Step 2: Convert to fraction form
    245,887.22/339,348.69 = 143,906.60/x
  3. Step 3: Cross multiply
    245,887.22x = 339,348.69 × 143,906.60
  4. Step 4: Simplify right side
    245,887.22x = 48,834,514,495.61
  5. Step 5: Solve for x
    x = 48,834,514,495.61/245,887.22
  6. Step 6: Final answer
    x = 198,605.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.