Home / 377,022.83-520,304.18-221,946.14

Finding the Fourth Proportional to 377,022.83, 520,304.18 and 221,946.14

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Solution

The fourth proportional to 377,022.83, 520,304.18 and 221,946.14 is: 306,293.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,022.83 : 520,304.18 = 221,946.14 : x
  2. Step 2: Convert to fraction form
    377,022.83/520,304.18 = 221,946.14/x
  3. Step 3: Cross multiply
    377,022.83x = 520,304.18 × 221,946.14
  4. Step 4: Simplify right side
    377,022.83x = 115,479,504,376.87
  5. Step 5: Solve for x
    x = 115,479,504,376.87/377,022.83
  6. Step 6: Final answer
    x = 306,293.13

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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.