Home / 268,036.04-369,890.25-154,858.88

Finding the Fourth Proportional to 268,036.04, 369,890.25 and 154,858.88

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Solution

The fourth proportional to 268,036.04, 369,890.25 and 154,858.88 is: 213,705.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,036.04 : 369,890.25 = 154,858.88 : x
  2. Step 2: Convert to fraction form
    268,036.04/369,890.25 = 154,858.88/x
  3. Step 3: Cross multiply
    268,036.04x = 369,890.25 × 154,858.88
  4. Step 4: Simplify right side
    268,036.04x = 57,280,789,837.92
  5. Step 5: Solve for x
    x = 57,280,789,837.92/268,036.04
  6. Step 6: Final answer
    x = 213,705.55

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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.