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Finding the Fourth Proportional to 365,382.19, 504,291.59 and 212,467.69

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Solution

The fourth proportional to 365,382.19, 504,291.59 and 212,467.69 is: 293,242.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,382.19 : 504,291.59 = 212,467.69 : x
  2. Step 2: Convert to fraction form
    365,382.19/504,291.59 = 212,467.69/x
  3. Step 3: Cross multiply
    365,382.19x = 504,291.59 × 212,467.69
  4. Step 4: Simplify right side
    365,382.19x = 107,145,669,213.73
  5. Step 5: Solve for x
    x = 107,145,669,213.73/365,382.19
  6. Step 6: Final answer
    x = 293,242.73

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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.