Home / 285,302.58-393,684.06-164,442.48

Finding the Fourth Proportional to 285,302.58, 393,684.06 and 164,442.48

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Solution

The fourth proportional to 285,302.58, 393,684.06 and 164,442.48 is: 226,911.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,302.58 : 393,684.06 = 164,442.48 : x
  2. Step 2: Convert to fraction form
    285,302.58/393,684.06 = 164,442.48/x
  3. Step 3: Cross multiply
    285,302.58x = 393,684.06 × 164,442.48
  4. Step 4: Simplify right side
    285,302.58x = 64,738,383,162.87
  5. Step 5: Solve for x
    x = 64,738,383,162.87/285,302.58
  6. Step 6: Final answer
    x = 226,911.31

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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.