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Finding the Fourth Proportional to 340,376.73, 469,716.01 and 187,411.80

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Solution

The fourth proportional to 340,376.73, 469,716.01 and 187,411.80 is: 258,626.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,376.73 : 469,716.01 = 187,411.80 : x
  2. Step 2: Convert to fraction form
    340,376.73/469,716.01 = 187,411.80/x
  3. Step 3: Cross multiply
    340,376.73x = 469,716.01 × 187,411.80
  4. Step 4: Simplify right side
    340,376.73x = 88,030,322,922.92
  5. Step 5: Solve for x
    x = 88,030,322,922.92/340,376.73
  6. Step 6: Final answer
    x = 258,626.15

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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.