Home / 219,745-329,600.94-69,979.24

Finding the Fourth Proportional to 219,745, 329,600.94 and 69,979.24

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Solution

The fourth proportional to 219,745, 329,600.94 and 69,979.24 is: 104,963.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,745 : 329,600.94 = 69,979.24 : x
  2. Step 2: Convert to fraction form
    219,745/329,600.94 = 69,979.24/x
  3. Step 3: Cross multiply
    219,745x = 329,600.94 × 69,979.24
  4. Step 4: Simplify right side
    219,745x = 23,065,223,284.49
  5. Step 5: Solve for x
    x = 23,065,223,284.49/219,745
  6. Step 6: Final answer
    x = 104,963.59

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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.