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Finding the Fourth Proportional to 335,981.36, 463,659.84 and 185,078.48

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Solution

The fourth proportional to 335,981.36, 463,659.84 and 185,078.48 is: 255,411.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,981.36 : 463,659.84 = 185,078.48 : x
  2. Step 2: Convert to fraction form
    335,981.36/463,659.84 = 185,078.48/x
  3. Step 3: Cross multiply
    335,981.36x = 463,659.84 × 185,078.48
  4. Step 4: Simplify right side
    335,981.36x = 85,813,458,424.24
  5. Step 5: Solve for x
    x = 85,813,458,424.24/335,981.36
  6. Step 6: Final answer
    x = 255,411.37

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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.