Home / 239,816.16-330,986.32-229,187.04

Finding the Fourth Proportional to 239,816.16, 330,986.32 and 229,187.04

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Solution

The fourth proportional to 239,816.16, 330,986.32 and 229,187.04 is: 316,316.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,816.16 : 330,986.32 = 229,187.04 : x
  2. Step 2: Convert to fraction form
    239,816.16/330,986.32 = 229,187.04/x
  3. Step 3: Cross multiply
    239,816.16x = 330,986.32 × 229,187.04
  4. Step 4: Simplify right side
    239,816.16x = 75,857,774,961.29
  5. Step 5: Solve for x
    x = 75,857,774,961.29/239,816.16
  6. Step 6: Final answer
    x = 316,316.36

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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.