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Finding the Fourth Proportional to 207,274.42, 310,911.78 and 57,514.86

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Solution

The fourth proportional to 207,274.42, 310,911.78 and 57,514.86 is: 86,272.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,274.42 : 310,911.78 = 57,514.86 : x
  2. Step 2: Convert to fraction form
    207,274.42/310,911.78 = 57,514.86/x
  3. Step 3: Cross multiply
    207,274.42x = 310,911.78 × 57,514.86
  4. Step 4: Simplify right side
    207,274.42x = 17,882,047,499.05
  5. Step 5: Solve for x
    x = 17,882,047,499.05/207,274.42
  6. Step 6: Final answer
    x = 86,272.33

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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.