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Finding the Fourth Proportional to 383,384.93, 575,180.93 and 117,138.18

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Solution

The fourth proportional to 383,384.93, 575,180.93 and 117,138.18 is: 175,738.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,384.93 : 575,180.93 = 117,138.18 : x
  2. Step 2: Convert to fraction form
    383,384.93/575,180.93 = 117,138.18/x
  3. Step 3: Cross multiply
    383,384.93x = 575,180.93 × 117,138.18
  4. Step 4: Simplify right side
    383,384.93x = 67,375,646,725.22
  5. Step 5: Solve for x
    x = 67,375,646,725.22/383,384.93
  6. Step 6: Final answer
    x = 175,738.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.