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Finding the Fourth Proportional to 383,429.93, 529,172.66 and 230,517.92

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Solution

The fourth proportional to 383,429.93, 529,172.66 and 230,517.92 is: 318,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,429.93 : 529,172.66 = 230,517.92 : x
  2. Step 2: Convert to fraction form
    383,429.93/529,172.66 = 230,517.92/x
  3. Step 3: Cross multiply
    383,429.93x = 529,172.66 × 230,517.92
  4. Step 4: Simplify right side
    383,429.93x = 121,983,782,803.29
  5. Step 5: Solve for x
    x = 121,983,782,803.29/383,429.93
  6. Step 6: Final answer
    x = 318,138.40

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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.