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Finding the Fourth Proportional to 355,527.66, 490,629.06 and 194,393.12

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Solution

The fourth proportional to 355,527.66, 490,629.06 and 194,393.12 is: 268,262.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,527.66 : 490,629.06 = 194,393.12 : x
  2. Step 2: Convert to fraction form
    355,527.66/490,629.06 = 194,393.12/x
  3. Step 3: Cross multiply
    355,527.66x = 490,629.06 × 194,393.12
  4. Step 4: Simplify right side
    355,527.66x = 95,374,911,282.92
  5. Step 5: Solve for x
    x = 95,374,911,282.92/355,527.66
  6. Step 6: Final answer
    x = 268,262.98

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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.