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Finding the Fourth Proportional to 347,990.60, 480,260.40 and 195,028.04

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Solution

The fourth proportional to 347,990.60, 480,260.40 and 195,028.04 is: 269,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,990.60 : 480,260.40 = 195,028.04 : x
  2. Step 2: Convert to fraction form
    347,990.60/480,260.40 = 195,028.04/x
  3. Step 3: Cross multiply
    347,990.60x = 480,260.40 × 195,028.04
  4. Step 4: Simplify right side
    347,990.60x = 93,664,244,501.62
  5. Step 5: Solve for x
    x = 93,664,244,501.62/347,990.60
  6. Step 6: Final answer
    x = 269,157.40

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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.