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Finding the Fourth Proportional to 324,463.36, 447,754.72 and 181,225.44

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Solution

The fourth proportional to 324,463.36, 447,754.72 and 181,225.44 is: 250,088.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,463.36 : 447,754.72 = 181,225.44 : x
  2. Step 2: Convert to fraction form
    324,463.36/447,754.72 = 181,225.44/x
  3. Step 3: Cross multiply
    324,463.36x = 447,754.72 × 181,225.44
  4. Step 4: Simplify right side
    324,463.36x = 81,144,546,144.08
  5. Step 5: Solve for x
    x = 81,144,546,144.08/324,463.36
  6. Step 6: Final answer
    x = 250,088.47

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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.