Home / 239,157.39-358,736.09-208,364.43

Finding the Fourth Proportional to 239,157.39, 358,736.09 and 208,364.43

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Solution

The fourth proportional to 239,157.39, 358,736.09 and 208,364.43 is: 312,546.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,157.39 : 358,736.09 = 208,364.43 : x
  2. Step 2: Convert to fraction form
    239,157.39/358,736.09 = 208,364.43/x
  3. Step 3: Cross multiply
    239,157.39x = 358,736.09 × 208,364.43
  4. Step 4: Simplify right side
    239,157.39x = 74,747,839,871.46
  5. Step 5: Solve for x
    x = 74,747,839,871.46/239,157.39
  6. Step 6: Final answer
    x = 312,546.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.