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Finding the Fourth Proportional to 164,279.91, 246,382.20 and 45,963.21

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Solution

The fourth proportional to 164,279.91, 246,382.20 and 45,963.21 is: 68,934.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,279.91 : 246,382.20 = 45,963.21 : x
  2. Step 2: Convert to fraction form
    164,279.91/246,382.20 = 45,963.21/x
  3. Step 3: Cross multiply
    164,279.91x = 246,382.20 × 45,963.21
  4. Step 4: Simplify right side
    164,279.91x = 11,324,516,798.86
  5. Step 5: Solve for x
    x = 11,324,516,798.86/164,279.91
  6. Step 6: Final answer
    x = 68,934.28

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1.5x scale

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.