Home / 272,738.89-408,968.25-146,485.40

Finding the Fourth Proportional to 272,738.89, 408,968.25 and 146,485.40

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Solution

The fourth proportional to 272,738.89, 408,968.25 and 146,485.40 is: 219,652.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,738.89 : 408,968.25 = 146,485.40 : x
  2. Step 2: Convert to fraction form
    272,738.89/408,968.25 = 146,485.40/x
  3. Step 3: Cross multiply
    272,738.89x = 408,968.25 × 146,485.40
  4. Step 4: Simplify right side
    272,738.89x = 59,907,878,710.97
  5. Step 5: Solve for x
    x = 59,907,878,710.97/272,738.89
  6. Step 6: Final answer
    x = 219,652.87

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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.