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Finding the Fourth Proportional to 323,370.40, 485,055.60 and 101,754.40

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Solution

The fourth proportional to 323,370.40, 485,055.60 and 101,754.40 is: 152,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,370.40 : 485,055.60 = 101,754.40 : x
  2. Step 2: Convert to fraction form
    323,370.40/485,055.60 = 101,754.40/x
  3. Step 3: Cross multiply
    323,370.40x = 485,055.60 × 101,754.40
  4. Step 4: Simplify right side
    323,370.40x = 49,356,541,544.64
  5. Step 5: Solve for x
    x = 49,356,541,544.64/323,370.40
  6. Step 6: Final answer
    x = 152,631.60

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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.