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Finding the Fourth Proportional to 355,956.04, 491,212.78 and 194,807.88

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Solution

The fourth proportional to 355,956.04, 491,212.78 and 194,807.88 is: 268,831.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,956.04 : 491,212.78 = 194,807.88 : x
  2. Step 2: Convert to fraction form
    355,956.04/491,212.78 = 194,807.88/x
  3. Step 3: Cross multiply
    355,956.04x = 491,212.78 × 194,807.88
  4. Step 4: Simplify right side
    355,956.04x = 95,692,120,300.71
  5. Step 5: Solve for x
    x = 95,692,120,300.71/355,956.04
  6. Step 6: Final answer
    x = 268,831.29

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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.