Home / 377,287.07-520,625.07-222,214.19

Finding the Fourth Proportional to 377,287.07, 520,625.07 and 222,214.19

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Solution

The fourth proportional to 377,287.07, 520,625.07 and 222,214.19 is: 306,637.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,287.07 : 520,625.07 = 222,214.19 : x
  2. Step 2: Convert to fraction form
    377,287.07/520,625.07 = 222,214.19/x
  3. Step 3: Cross multiply
    377,287.07x = 520,625.07 × 222,214.19
  4. Step 4: Simplify right side
    377,287.07x = 115,690,275,620.62
  5. Step 5: Solve for x
    x = 115,690,275,620.62/377,287.07
  6. Step 6: Final answer
    x = 306,637.27

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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.