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Finding the Fourth Proportional to 358,684.29, 494,965.11 and 197,507.88

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Solution

The fourth proportional to 358,684.29, 494,965.11 and 197,507.88 is: 272,550.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,684.29 : 494,965.11 = 197,507.88 : x
  2. Step 2: Convert to fraction form
    358,684.29/494,965.11 = 197,507.88/x
  3. Step 3: Cross multiply
    358,684.29x = 494,965.11 × 197,507.88
  4. Step 4: Simplify right side
    358,684.29x = 97,759,509,550.07
  5. Step 5: Solve for x
    x = 97,759,509,550.07/358,684.29
  6. Step 6: Final answer
    x = 272,550.30

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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.