Home / 456,132.29-629,435.46-252,171.02

Finding the Fourth Proportional to 456,132.29, 629,435.46 and 252,171.02

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Solution

The fourth proportional to 456,132.29, 629,435.46 and 252,171.02 is: 347,981.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,132.29 : 629,435.46 = 252,171.02 : x
  2. Step 2: Convert to fraction form
    456,132.29/629,435.46 = 252,171.02/x
  3. Step 3: Cross multiply
    456,132.29x = 629,435.46 × 252,171.02
  4. Step 4: Simplify right side
    456,132.29x = 158,725,379,455.62
  5. Step 5: Solve for x
    x = 158,725,379,455.62/456,132.29
  6. Step 6: Final answer
    x = 347,981.02

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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.