Home / 395,639.10-545,439.69-250,372.62

Finding the Fourth Proportional to 395,639.10, 545,439.69 and 250,372.62

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Solution

The fourth proportional to 395,639.10, 545,439.69 and 250,372.62 is: 345,171.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,639.10 : 545,439.69 = 250,372.62 : x
  2. Step 2: Convert to fraction form
    395,639.10/545,439.69 = 250,372.62/x
  3. Step 3: Cross multiply
    395,639.10x = 545,439.69 × 250,372.62
  4. Step 4: Simplify right side
    395,639.10x = 136,563,164,237.29
  5. Step 5: Solve for x
    x = 136,563,164,237.29/395,639.10
  6. Step 6: Final answer
    x = 345,171.05

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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.