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Finding the Fourth Proportional to 348,152.56, 480,450 and 197,249.20

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Solution

The fourth proportional to 348,152.56, 480,450 and 197,249.20 is: 272,203.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,152.56 : 480,450 = 197,249.20 : x
  2. Step 2: Convert to fraction form
    348,152.56/480,450 = 197,249.20/x
  3. Step 3: Cross multiply
    348,152.56x = 480,450 × 197,249.20
  4. Step 4: Simplify right side
    348,152.56x = 94,768,378,140
  5. Step 5: Solve for x
    x = 94,768,378,140/348,152.56
  6. Step 6: Final answer
    x = 272,203.59

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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.