Home / 282,236.78-423,428.94-163,794.26

Finding the Fourth Proportional to 282,236.78, 423,428.94 and 163,794.26

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Solution

The fourth proportional to 282,236.78, 423,428.94 and 163,794.26 is: 245,734.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,236.78 : 423,428.94 = 163,794.26 : x
  2. Step 2: Convert to fraction form
    282,236.78/423,428.94 = 163,794.26/x
  3. Step 3: Cross multiply
    282,236.78x = 423,428.94 × 163,794.26
  4. Step 4: Simplify right side
    282,236.78x = 69,355,229,889.88
  5. Step 5: Solve for x
    x = 69,355,229,889.88/282,236.78
  6. Step 6: Final answer
    x = 245,734.20

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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.