Home / 358,454.06-494,662.85-197,305.65

Finding the Fourth Proportional to 358,454.06, 494,662.85 and 197,305.65

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Solution

The fourth proportional to 358,454.06, 494,662.85 and 197,305.65 is: 272,279.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,454.06 : 494,662.85 = 197,305.65 : x
  2. Step 2: Convert to fraction form
    358,454.06/494,662.85 = 197,305.65/x
  3. Step 3: Cross multiply
    358,454.06x = 494,662.85 × 197,305.65
  4. Step 4: Simplify right side
    358,454.06x = 97,599,775,150.10
  5. Step 5: Solve for x
    x = 97,599,775,150.10/358,454.06
  6. Step 6: Final answer
    x = 272,279.73

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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.