Home / 248,905.40-343,469.04-141,450.80

Finding the Fourth Proportional to 248,905.40, 343,469.04 and 141,450.80

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Solution

The fourth proportional to 248,905.40, 343,469.04 and 141,450.80 is: 195,190.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,905.40 : 343,469.04 = 141,450.80 : x
  2. Step 2: Convert to fraction form
    248,905.40/343,469.04 = 141,450.80/x
  3. Step 3: Cross multiply
    248,905.40x = 343,469.04 × 141,450.80
  4. Step 4: Simplify right side
    248,905.40x = 48,583,970,483.23
  5. Step 5: Solve for x
    x = 48,583,970,483.23/248,905.40
  6. Step 6: Final answer
    x = 195,190.50

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1.5x scale

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.