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Finding the Fourth Proportional to 333,935.92, 460,763.44 and 197,910

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Solution

The fourth proportional to 333,935.92, 460,763.44 and 197,910 is: 273,075.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,935.92 : 460,763.44 = 197,910 : x
  2. Step 2: Convert to fraction form
    333,935.92/460,763.44 = 197,910/x
  3. Step 3: Cross multiply
    333,935.92x = 460,763.44 × 197,910
  4. Step 4: Simplify right side
    333,935.92x = 91,189,692,410.40
  5. Step 5: Solve for x
    x = 91,189,692,410.40/333,935.92
  6. Step 6: Final answer
    x = 273,075.42

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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.