Home / 275,945.90-413,918.85-205,087.10

Finding the Fourth Proportional to 275,945.90, 413,918.85 and 205,087.10

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Solution

The fourth proportional to 275,945.90, 413,918.85 and 205,087.10 is: 307,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,945.90 : 413,918.85 = 205,087.10 : x
  2. Step 2: Convert to fraction form
    275,945.90/413,918.85 = 205,087.10/x
  3. Step 3: Cross multiply
    275,945.90x = 413,918.85 × 205,087.10
  4. Step 4: Simplify right side
    275,945.90x = 84,889,416,581.84
  5. Step 5: Solve for x
    x = 84,889,416,581.84/275,945.90
  6. Step 6: Final answer
    x = 307,630.65

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1.5x scale

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.