Home / 239,972.36-330,972.90-223,876.04

Finding the Fourth Proportional to 239,972.36, 330,972.90 and 223,876.04

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Solution

The fourth proportional to 239,972.36, 330,972.90 and 223,876.04 is: 308,772.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,972.36 : 330,972.90 = 223,876.04 : x
  2. Step 2: Convert to fraction form
    239,972.36/330,972.90 = 223,876.04/x
  3. Step 3: Cross multiply
    239,972.36x = 330,972.90 × 223,876.04
  4. Step 4: Simplify right side
    239,972.36x = 74,096,902,199.32
  5. Step 5: Solve for x
    x = 74,096,902,199.32/239,972.36
  6. Step 6: Final answer
    x = 308,772.65

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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.