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Finding the Fourth Proportional to 355,494.66, 490,594.63 and 194,346.51

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Solution

The fourth proportional to 355,494.66, 490,594.63 and 194,346.51 is: 268,204.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,494.66 : 490,594.63 = 194,346.51 : x
  2. Step 2: Convert to fraction form
    355,494.66/490,594.63 = 194,346.51/x
  3. Step 3: Cross multiply
    355,494.66x = 490,594.63 × 194,346.51
  4. Step 4: Simplify right side
    355,494.66x = 95,345,355,883.50
  5. Step 5: Solve for x
    x = 95,345,355,883.50/355,494.66
  6. Step 6: Final answer
    x = 268,204.75

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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.