Home / 358,923.56-495,324.92-197,789

Finding the Fourth Proportional to 358,923.56, 495,324.92 and 197,789

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Solution

The fourth proportional to 358,923.56, 495,324.92 and 197,789 is: 272,954.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,923.56 : 495,324.92 = 197,789 : x
  2. Step 2: Convert to fraction form
    358,923.56/495,324.92 = 197,789/x
  3. Step 3: Cross multiply
    358,923.56x = 495,324.92 × 197,789
  4. Step 4: Simplify right side
    358,923.56x = 97,969,820,601.88
  5. Step 5: Solve for x
    x = 97,969,820,601.88/358,923.56
  6. Step 6: Final answer
    x = 272,954.56

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1.5x scale

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.