Home / 268,889.22-371,059.38-154,164.06

Finding the Fourth Proportional to 268,889.22, 371,059.38 and 154,164.06

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Solution

The fourth proportional to 268,889.22, 371,059.38 and 154,164.06 is: 212,741.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,889.22 : 371,059.38 = 154,164.06 : x
  2. Step 2: Convert to fraction form
    268,889.22/371,059.38 = 154,164.06/x
  3. Step 3: Cross multiply
    268,889.22x = 371,059.38 × 154,164.06
  4. Step 4: Simplify right side
    268,889.22x = 57,204,020,521.88
  5. Step 5: Solve for x
    x = 57,204,020,521.88/268,889.22
  6. Step 6: Final answer
    x = 212,741.96

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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.