Home / 355,838.28-491,071.50-194,707.44

Finding the Fourth Proportional to 355,838.28, 491,071.50 and 194,707.44

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Solution

The fourth proportional to 355,838.28, 491,071.50 and 194,707.44 is: 268,704.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,838.28 : 491,071.50 = 194,707.44 : x
  2. Step 2: Convert to fraction form
    355,838.28/491,071.50 = 194,707.44/x
  3. Step 3: Cross multiply
    355,838.28x = 491,071.50 × 194,707.44
  4. Step 4: Simplify right side
    355,838.28x = 95,615,274,621.96
  5. Step 5: Solve for x
    x = 95,615,274,621.96/355,838.28
  6. Step 6: Final answer
    x = 268,704.30

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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.