Home / 358,535.28-494,769.09-197,391.54

Finding the Fourth Proportional to 358,535.28, 494,769.09 and 197,391.54

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Solution

The fourth proportional to 358,535.28, 494,769.09 and 197,391.54 is: 272,395.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,535.28 : 494,769.09 = 197,391.54 : x
  2. Step 2: Convert to fraction form
    358,535.28/494,769.09 = 197,391.54/x
  3. Step 3: Cross multiply
    358,535.28x = 494,769.09 × 197,391.54
  4. Step 4: Simplify right side
    358,535.28x = 97,663,232,619.50
  5. Step 5: Solve for x
    x = 97,663,232,619.50/358,535.28
  6. Step 6: Final answer
    x = 272,395.04

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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.