Home / 221,498.90-305,562.21-160,975.70

Finding the Fourth Proportional to 221,498.90, 305,562.21 and 160,975.70

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Solution

The fourth proportional to 221,498.90, 305,562.21 and 160,975.70 is: 222,069.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,498.90 : 305,562.21 = 160,975.70 : x
  2. Step 2: Convert to fraction form
    221,498.90/305,562.21 = 160,975.70/x
  3. Step 3: Cross multiply
    221,498.90x = 305,562.21 × 160,975.70
  4. Step 4: Simplify right side
    221,498.90x = 49,188,090,648.30
  5. Step 5: Solve for x
    x = 49,188,090,648.30/221,498.90
  6. Step 6: Final answer
    x = 222,069.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.