Home / 219,278.65-329,033.24-155,647.43

Finding the Fourth Proportional to 219,278.65, 329,033.24 and 155,647.43

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Solution

The fourth proportional to 219,278.65, 329,033.24 and 155,647.43 is: 233,552.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,278.65 : 329,033.24 = 155,647.43 : x
  2. Step 2: Convert to fraction form
    219,278.65/329,033.24 = 155,647.43/x
  3. Step 3: Cross multiply
    219,278.65x = 329,033.24 × 155,647.43
  4. Step 4: Simplify right side
    219,278.65x = 51,213,178,190.57
  5. Step 5: Solve for x
    x = 51,213,178,190.57/219,278.65
  6. Step 6: Final answer
    x = 233,552.96

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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.