Home / 268,121.79-370,012.52-147,274.25

Finding the Fourth Proportional to 268,121.79, 370,012.52 and 147,274.25

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Solution

The fourth proportional to 268,121.79, 370,012.52 and 147,274.25 is: 203,240.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,121.79 : 370,012.52 = 147,274.25 : x
  2. Step 2: Convert to fraction form
    268,121.79/370,012.52 = 147,274.25/x
  3. Step 3: Cross multiply
    268,121.79x = 370,012.52 × 147,274.25
  4. Step 4: Simplify right side
    268,121.79x = 54,493,314,891.73
  5. Step 5: Solve for x
    x = 54,493,314,891.73/268,121.79
  6. Step 6: Final answer
    x = 203,240.90

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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.