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Finding the Fourth Proportional to 291,605.39, 402,423.97 and 170,735.37

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Solution

The fourth proportional to 291,605.39, 402,423.97 and 170,735.37 is: 235,619.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,605.39 : 402,423.97 = 170,735.37 : x
  2. Step 2: Convert to fraction form
    291,605.39/402,423.97 = 170,735.37/x
  3. Step 3: Cross multiply
    291,605.39x = 402,423.97 × 170,735.37
  4. Step 4: Simplify right side
    291,605.39x = 68,708,003,981.92
  5. Step 5: Solve for x
    x = 68,708,003,981.92/291,605.39
  6. Step 6: Final answer
    x = 235,619.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.