Home / 300,074.42-450,348.26-131,710.95

Finding the Fourth Proportional to 300,074.42, 450,348.26 and 131,710.95

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Solution

The fourth proportional to 300,074.42, 450,348.26 and 131,710.95 is: 197,670.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,074.42 : 450,348.26 = 131,710.95 : x
  2. Step 2: Convert to fraction form
    300,074.42/450,348.26 = 131,710.95/x
  3. Step 3: Cross multiply
    300,074.42x = 450,348.26 × 131,710.95
  4. Step 4: Simplify right side
    300,074.42x = 59,315,796,496.89
  5. Step 5: Solve for x
    x = 59,315,796,496.89/300,074.42
  6. Step 6: Final answer
    x = 197,670.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.