Home / 355,282.31-490,290.86-194,137.35

Finding the Fourth Proportional to 355,282.31, 490,290.86 and 194,137.35

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Solution

The fourth proportional to 355,282.31, 490,290.86 and 194,137.35 is: 267,910.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,282.31 : 490,290.86 = 194,137.35 : x
  2. Step 2: Convert to fraction form
    355,282.31/490,290.86 = 194,137.35/x
  3. Step 3: Cross multiply
    355,282.31x = 490,290.86 × 194,137.35
  4. Step 4: Simplify right side
    355,282.31x = 95,183,769,515.35
  5. Step 5: Solve for x
    x = 95,183,769,515.35/355,282.31
  6. Step 6: Final answer
    x = 267,910.24

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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.