Home / 377,110.43-520,381.55-222,037.19

Finding the Fourth Proportional to 377,110.43, 520,381.55 and 222,037.19

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Solution

The fourth proportional to 377,110.43, 520,381.55 and 222,037.19 is: 306,393.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,110.43 : 520,381.55 = 222,037.19 : x
  2. Step 2: Convert to fraction form
    377,110.43/520,381.55 = 222,037.19/x
  3. Step 3: Cross multiply
    377,110.43x = 520,381.55 × 222,037.19
  4. Step 4: Simplify right side
    377,110.43x = 115,544,057,089.85
  5. Step 5: Solve for x
    x = 115,544,057,089.85/377,110.43
  6. Step 6: Final answer
    x = 306,393.16

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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.