Home / 239,348.56-358,629.12-189,747.40

Finding the Fourth Proportional to 239,348.56, 358,629.12 and 189,747.40

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Solution

The fourth proportional to 239,348.56, 358,629.12 and 189,747.40 is: 284,308.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,348.56 : 358,629.12 = 189,747.40 : x
  2. Step 2: Convert to fraction form
    239,348.56/358,629.12 = 189,747.40/x
  3. Step 3: Cross multiply
    239,348.56x = 358,629.12 × 189,747.40
  4. Step 4: Simplify right side
    239,348.56x = 68,048,943,084.29
  5. Step 5: Solve for x
    x = 68,048,943,084.29/239,348.56
  6. Step 6: Final answer
    x = 284,308.97

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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.