Home / 414,890.10-622,335.15-134,435.70

Finding the Fourth Proportional to 414,890.10, 622,335.15 and 134,435.70

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Solution

The fourth proportional to 414,890.10, 622,335.15 and 134,435.70 is: 201,653.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,890.10 : 622,335.15 = 134,435.70 : x
  2. Step 2: Convert to fraction form
    414,890.10/622,335.15 = 134,435.70/x
  3. Step 3: Cross multiply
    414,890.10x = 622,335.15 × 134,435.70
  4. Step 4: Simplify right side
    414,890.10x = 83,664,061,524.86
  5. Step 5: Solve for x
    x = 83,664,061,524.86/414,890.10
  6. Step 6: Final answer
    x = 201,653.55

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Why These Related Problems?

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