Home / 454,619.80-682,342.80-230,136.40

Finding the Fourth Proportional to 454,619.80, 682,342.80 and 230,136.40

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Solution

The fourth proportional to 454,619.80, 682,342.80 and 230,136.40 is: 345,413.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,619.80 : 682,342.80 = 230,136.40 : x
  2. Step 2: Convert to fraction form
    454,619.80/682,342.80 = 230,136.40/x
  3. Step 3: Cross multiply
    454,619.80x = 682,342.80 × 230,136.40
  4. Step 4: Simplify right side
    454,619.80x = 157,031,915,557.92
  5. Step 5: Solve for x
    x = 157,031,915,557.92/454,619.80
  6. Step 6: Final answer
    x = 345,413.72

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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.