Home / 221,490.40-305,550.48-160,967.20

Finding the Fourth Proportional to 221,490.40, 305,550.48 and 160,967.20

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Solution

The fourth proportional to 221,490.40, 305,550.48 and 160,967.20 is: 222,057.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,490.40 : 305,550.48 = 160,967.20 : x
  2. Step 2: Convert to fraction form
    221,490.40/305,550.48 = 160,967.20/x
  3. Step 3: Cross multiply
    221,490.40x = 305,550.48 × 160,967.20
  4. Step 4: Simplify right side
    221,490.40x = 49,183,605,224.26
  5. Step 5: Solve for x
    x = 49,183,605,224.26/221,490.40
  6. Step 6: Final answer
    x = 222,057.50

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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.