Home / 338,946.36-467,814.06-195,729.72

Finding the Fourth Proportional to 338,946.36, 467,814.06 and 195,729.72

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Solution

The fourth proportional to 338,946.36, 467,814.06 and 195,729.72 is: 270,146.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,946.36 : 467,814.06 = 195,729.72 : x
  2. Step 2: Convert to fraction form
    338,946.36/467,814.06 = 195,729.72/x
  3. Step 3: Cross multiply
    338,946.36x = 467,814.06 × 195,729.72
  4. Step 4: Simplify right side
    338,946.36x = 91,565,114,975.86
  5. Step 5: Solve for x
    x = 91,565,114,975.86/338,946.36
  6. Step 6: Final answer
    x = 270,146.33

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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.