Home / 355,175.20-490,133.76-194,031.04

Finding the Fourth Proportional to 355,175.20, 490,133.76 and 194,031.04

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Solution

The fourth proportional to 355,175.20, 490,133.76 and 194,031.04 is: 267,758.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,175.20 : 490,133.76 = 194,031.04 : x
  2. Step 2: Convert to fraction form
    355,175.20/490,133.76 = 194,031.04/x
  3. Step 3: Cross multiply
    355,175.20x = 490,133.76 × 194,031.04
  4. Step 4: Simplify right side
    355,175.20x = 95,101,163,191.91
  5. Step 5: Solve for x
    x = 95,101,163,191.91/355,175.20
  6. Step 6: Final answer
    x = 267,758.46

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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.