Home / 325,022.60-487,821.90-191,736.20

Finding the Fourth Proportional to 325,022.60, 487,821.90 and 191,736.20

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Solution

The fourth proportional to 325,022.60, 487,821.90 and 191,736.20 is: 287,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,022.60 : 487,821.90 = 191,736.20 : x
  2. Step 2: Convert to fraction form
    325,022.60/487,821.90 = 191,736.20/x
  3. Step 3: Cross multiply
    325,022.60x = 487,821.90 × 191,736.20
  4. Step 4: Simplify right side
    325,022.60x = 93,533,117,382.78
  5. Step 5: Solve for x
    x = 93,533,117,382.78/325,022.60
  6. Step 6: Final answer
    x = 287,774.20

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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.