Home / 222,730.83-305,664.37-221,156.19

Finding the Fourth Proportional to 222,730.83, 305,664.37 and 221,156.19

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Solution

The fourth proportional to 222,730.83, 305,664.37 and 221,156.19 is: 303,503.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,730.83 : 305,664.37 = 221,156.19 : x
  2. Step 2: Convert to fraction form
    222,730.83/305,664.37 = 221,156.19/x
  3. Step 3: Cross multiply
    222,730.83x = 305,664.37 × 221,156.19
  4. Step 4: Simplify right side
    222,730.83x = 67,599,566,935.06
  5. Step 5: Solve for x
    x = 67,599,566,935.06/222,730.83
  6. Step 6: Final answer
    x = 303,503.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.