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Finding the Fourth Proportional to 252,450, 348,388.56 and 139,280.04

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Solution

The fourth proportional to 252,450, 348,388.56 and 139,280.04 is: 192,210.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,450 : 348,388.56 = 139,280.04 : x
  2. Step 2: Convert to fraction form
    252,450/348,388.56 = 139,280.04/x
  3. Step 3: Cross multiply
    252,450x = 348,388.56 × 139,280.04
  4. Step 4: Simplify right side
    252,450x = 48,523,572,572.34
  5. Step 5: Solve for x
    x = 48,523,572,572.34/252,450
  6. Step 6: Final answer
    x = 192,210.63

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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.