Home / 222,541.79-333,411.33-137,003.78

Finding the Fourth Proportional to 222,541.79, 333,411.33 and 137,003.78

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Solution

The fourth proportional to 222,541.79, 333,411.33 and 137,003.78 is: 205,258.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,541.79 : 333,411.33 = 137,003.78 : x
  2. Step 2: Convert to fraction form
    222,541.79/333,411.33 = 137,003.78/x
  3. Step 3: Cross multiply
    222,541.79x = 333,411.33 × 137,003.78
  4. Step 4: Simplify right side
    222,541.79x = 45,678,610,833.51
  5. Step 5: Solve for x
    x = 45,678,610,833.51/222,541.79
  6. Step 6: Final answer
    x = 205,258.58

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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.