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Finding the Fourth Proportional to 344,766.08, 475,792.63 and 287,309.27

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Solution

The fourth proportional to 344,766.08, 475,792.63 and 287,309.27 is: 396,499.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,766.08 : 475,792.63 = 287,309.27 : x
  2. Step 2: Convert to fraction form
    344,766.08/475,792.63 = 287,309.27/x
  3. Step 3: Cross multiply
    344,766.08x = 475,792.63 × 287,309.27
  4. Step 4: Simplify right side
    344,766.08x = 136,699,633,667.89
  5. Step 5: Solve for x
    x = 136,699,633,667.89/344,766.08
  6. Step 6: Final answer
    x = 396,499.66

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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.