Home / 239,974.86-330,976.35-223,878.54

Finding the Fourth Proportional to 239,974.86, 330,976.35 and 223,878.54

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Solution

The fourth proportional to 239,974.86, 330,976.35 and 223,878.54 is: 308,776.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,974.86 : 330,976.35 = 223,878.54 : x
  2. Step 2: Convert to fraction form
    239,974.86/330,976.35 = 223,878.54/x
  3. Step 3: Cross multiply
    239,974.86x = 330,976.35 × 223,878.54
  4. Step 4: Simplify right side
    239,974.86x = 74,098,502,012.53
  5. Step 5: Solve for x
    x = 74,098,502,012.53/239,974.86
  6. Step 6: Final answer
    x = 308,776.10

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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.