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Finding the Fourth Proportional to 409,934.08, 565,556.54 and 237,755.50

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Solution

The fourth proportional to 409,934.08, 565,556.54 and 237,755.50 is: 328,014.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,934.08 : 565,556.54 = 237,755.50 : x
  2. Step 2: Convert to fraction form
    409,934.08/565,556.54 = 237,755.50/x
  3. Step 3: Cross multiply
    409,934.08x = 565,556.54 × 237,755.50
  4. Step 4: Simplify right side
    409,934.08x = 134,464,177,945.97
  5. Step 5: Solve for x
    x = 134,464,177,945.97/409,934.08
  6. Step 6: Final answer
    x = 328,014.15

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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.