Home / 268,830.42-370,983.06-147,969.12

Finding the Fourth Proportional to 268,830.42, 370,983.06 and 147,969.12

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Solution

The fourth proportional to 268,830.42, 370,983.06 and 147,969.12 is: 204,195.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,830.42 : 370,983.06 = 147,969.12 : x
  2. Step 2: Convert to fraction form
    268,830.42/370,983.06 = 147,969.12/x
  3. Step 3: Cross multiply
    268,830.42x = 370,983.06 × 147,969.12
  4. Step 4: Simplify right side
    268,830.42x = 54,894,036,923.11
  5. Step 5: Solve for x
    x = 54,894,036,923.11/268,830.42
  6. Step 6: Final answer
    x = 204,195.78

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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.