Home / 222,889.38-334,417.31-89,807.40

Finding the Fourth Proportional to 222,889.38, 334,417.31 and 89,807.40

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Solution

The fourth proportional to 222,889.38, 334,417.31 and 89,807.40 is: 134,744.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,889.38 : 334,417.31 = 89,807.40 : x
  2. Step 2: Convert to fraction form
    222,889.38/334,417.31 = 89,807.40/x
  3. Step 3: Cross multiply
    222,889.38x = 334,417.31 × 89,807.40
  4. Step 4: Simplify right side
    222,889.38x = 30,033,149,126.09
  5. Step 5: Solve for x
    x = 30,033,149,126.09/222,889.38
  6. Step 6: Final answer
    x = 134,744.64

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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.