Home / 325,623.77-488,505.83-100,979.69

Finding the Fourth Proportional to 325,623.77, 488,505.83 and 100,979.69

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Solution

The fourth proportional to 325,623.77, 488,505.83 and 100,979.69 is: 151,491.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,623.77 : 488,505.83 = 100,979.69 : x
  2. Step 2: Convert to fraction form
    325,623.77/488,505.83 = 100,979.69/x
  3. Step 3: Cross multiply
    325,623.77x = 488,505.83 × 100,979.69
  4. Step 4: Simplify right side
    325,623.77x = 49,329,167,276.59
  5. Step 5: Solve for x
    x = 49,329,167,276.59/325,623.77
  6. Step 6: Final answer
    x = 151,491.30

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1.5x scale

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.