Home / 355,749.85-490,946.51-194,601.21

Finding the Fourth Proportional to 355,749.85, 490,946.51 and 194,601.21

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Solution

The fourth proportional to 355,749.85, 490,946.51 and 194,601.21 is: 268,556.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,749.85 : 490,946.51 = 194,601.21 : x
  2. Step 2: Convert to fraction form
    355,749.85/490,946.51 = 194,601.21/x
  3. Step 3: Cross multiply
    355,749.85x = 490,946.51 × 194,601.21
  4. Step 4: Simplify right side
    355,749.85x = 95,538,784,891.28
  5. Step 5: Solve for x
    x = 95,538,784,891.28/355,749.85
  6. Step 6: Final answer
    x = 268,556.08

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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.