Home / 426,851.37-589,136.36-281,401.83

Finding the Fourth Proportional to 426,851.37, 589,136.36 and 281,401.83

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Solution

The fourth proportional to 426,851.37, 589,136.36 and 281,401.83 is: 388,388.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,851.37 : 589,136.36 = 281,401.83 : x
  2. Step 2: Convert to fraction form
    426,851.37/589,136.36 = 281,401.83/x
  3. Step 3: Cross multiply
    426,851.37x = 589,136.36 × 281,401.83
  4. Step 4: Simplify right side
    426,851.37x = 165,784,048,416.53
  5. Step 5: Solve for x
    x = 165,784,048,416.53/426,851.37
  6. Step 6: Final answer
    x = 388,388.23

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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.