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Finding the Fourth Proportional to 428,883.93, 591,879.15 and 237,897.27

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Solution

The fourth proportional to 428,883.93, 591,879.15 and 237,897.27 is: 328,308.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,883.93 : 591,879.15 = 237,897.27 : x
  2. Step 2: Convert to fraction form
    428,883.93/591,879.15 = 237,897.27/x
  3. Step 3: Cross multiply
    428,883.93x = 591,879.15 × 237,897.27
  4. Step 4: Simplify right side
    428,883.93x = 140,806,433,954.92
  5. Step 5: Solve for x
    x = 140,806,433,954.92/428,883.93
  6. Step 6: Final answer
    x = 328,308.95

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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.