Home / 284,928.98-426,708.55-162,979.91

Finding the Fourth Proportional to 284,928.98, 426,708.55 and 162,979.91

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Solution

The fourth proportional to 284,928.98, 426,708.55 and 162,979.91 is: 244,078.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,928.98 : 426,708.55 = 162,979.91 : x
  2. Step 2: Convert to fraction form
    284,928.98/426,708.55 = 162,979.91/x
  3. Step 3: Cross multiply
    284,928.98x = 426,708.55 × 162,979.91
  4. Step 4: Simplify right side
    284,928.98x = 69,544,921,482.68
  5. Step 5: Solve for x
    x = 69,544,921,482.68/284,928.98
  6. Step 6: Final answer
    x = 244,078.09

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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.