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Finding the Fourth Proportional to 355,708.33, 490,867.29 and 194,559.84

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Solution

The fourth proportional to 355,708.33, 490,867.29 and 194,559.84 is: 268,487.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,708.33 : 490,867.29 = 194,559.84 : x
  2. Step 2: Convert to fraction form
    355,708.33/490,867.29 = 194,559.84/x
  3. Step 3: Cross multiply
    355,708.33x = 490,867.29 × 194,559.84
  4. Step 4: Simplify right side
    355,708.33x = 95,503,061,403.63
  5. Step 5: Solve for x
    x = 95,503,061,403.63/355,708.33
  6. Step 6: Final answer
    x = 268,487.00

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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.