Home / 272,739.90-408,969.74-146,486.37

Finding the Fourth Proportional to 272,739.90, 408,969.74 and 146,486.37

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Solution

The fourth proportional to 272,739.90, 408,969.74 and 146,486.37 is: 219,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,739.90 : 408,969.74 = 146,486.37 : x
  2. Step 2: Convert to fraction form
    272,739.90/408,969.74 = 146,486.37/x
  3. Step 3: Cross multiply
    272,739.90x = 408,969.74 × 146,486.37
  4. Step 4: Simplify right side
    272,739.90x = 59,908,491,920.01
  5. Step 5: Solve for x
    x = 59,908,491,920.01/272,739.90
  6. Step 6: Final answer
    x = 219,654.30

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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.