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Finding the Fourth Proportional to 222,825.78, 307,480.28 and 130,935.32

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Solution

The fourth proportional to 222,825.78, 307,480.28 and 130,935.32 is: 180,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,825.78 : 307,480.28 = 130,935.32 : x
  2. Step 2: Convert to fraction form
    222,825.78/307,480.28 = 130,935.32/x
  3. Step 3: Cross multiply
    222,825.78x = 307,480.28 × 130,935.32
  4. Step 4: Simplify right side
    222,825.78x = 40,260,028,855.49
  5. Step 5: Solve for x
    x = 40,260,028,855.49/222,825.78
  6. Step 6: Final answer
    x = 180,679.40

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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.