Home / 377,647.20-521,110.38-222,588.36

Finding the Fourth Proportional to 377,647.20, 521,110.38 and 222,588.36

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Solution

The fourth proportional to 377,647.20, 521,110.38 and 222,588.36 is: 307,146.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,647.20 : 521,110.38 = 222,588.36 : x
  2. Step 2: Convert to fraction form
    377,647.20/521,110.38 = 222,588.36/x
  3. Step 3: Cross multiply
    377,647.20x = 521,110.38 × 222,588.36
  4. Step 4: Simplify right side
    377,647.20x = 115,993,104,863.18
  5. Step 5: Solve for x
    x = 115,993,104,863.18/377,647.20
  6. Step 6: Final answer
    x = 307,146.74

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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.