Home / 388,417.67-582,584.99-104,136.74

Finding the Fourth Proportional to 388,417.67, 582,584.99 and 104,136.74

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Solution

The fourth proportional to 388,417.67, 582,584.99 and 104,136.74 is: 156,193.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,417.67 : 582,584.99 = 104,136.74 : x
  2. Step 2: Convert to fraction form
    388,417.67/582,584.99 = 104,136.74/x
  3. Step 3: Cross multiply
    388,417.67x = 582,584.99 × 104,136.74
  4. Step 4: Simplify right side
    388,417.67x = 60,668,498,197.92
  5. Step 5: Solve for x
    x = 60,668,498,197.92/388,417.67
  6. Step 6: Final answer
    x = 156,193.97

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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.