Home / 421,802.54-582,087.48-230,815.94

Finding the Fourth Proportional to 421,802.54, 582,087.48 and 230,815.94

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Solution

The fourth proportional to 421,802.54, 582,087.48 and 230,815.94 is: 318,525.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,802.54 : 582,087.48 = 230,815.94 : x
  2. Step 2: Convert to fraction form
    421,802.54/582,087.48 = 230,815.94/x
  3. Step 3: Cross multiply
    421,802.54x = 582,087.48 × 230,815.94
  4. Step 4: Simplify right side
    421,802.54x = 134,355,068,858.43
  5. Step 5: Solve for x
    x = 134,355,068,858.43/421,802.54
  6. Step 6: Final answer
    x = 318,525.98

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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.