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Finding the Fourth Proportional to 336,242.56, 463,995.84 and 208,917.04

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Solution

The fourth proportional to 336,242.56, 463,995.84 and 208,917.04 is: 288,293.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,242.56 : 463,995.84 = 208,917.04 : x
  2. Step 2: Convert to fraction form
    336,242.56/463,995.84 = 208,917.04/x
  3. Step 3: Cross multiply
    336,242.56x = 463,995.84 × 208,917.04
  4. Step 4: Simplify right side
    336,242.56x = 96,936,637,465.11
  5. Step 5: Solve for x
    x = 96,936,637,465.11/336,242.56
  6. Step 6: Final answer
    x = 288,293.78

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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.