Home / 268,973.39-370,836.42-220,394.72

Finding the Fourth Proportional to 268,973.39, 370,836.42 and 220,394.72

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Solution

The fourth proportional to 268,973.39, 370,836.42 and 220,394.72 is: 303,860.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,973.39 : 370,836.42 = 220,394.72 : x
  2. Step 2: Convert to fraction form
    268,973.39/370,836.42 = 220,394.72/x
  3. Step 3: Cross multiply
    268,973.39x = 370,836.42 × 220,394.72
  4. Step 4: Simplify right side
    268,973.39x = 81,730,388,951.70
  5. Step 5: Solve for x
    x = 81,730,388,951.70/268,973.39
  6. Step 6: Final answer
    x = 303,860.50

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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.