Home / 421,949.64-582,291.36-230,975.22

Finding the Fourth Proportional to 421,949.64, 582,291.36 and 230,975.22

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Solution

The fourth proportional to 421,949.64, 582,291.36 and 230,975.22 is: 318,746.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,949.64 : 582,291.36 = 230,975.22 : x
  2. Step 2: Convert to fraction form
    421,949.64/582,291.36 = 230,975.22/x
  3. Step 3: Cross multiply
    421,949.64x = 582,291.36 × 230,975.22
  4. Step 4: Simplify right side
    421,949.64x = 134,494,874,980.10
  5. Step 5: Solve for x
    x = 134,494,874,980.10/421,949.64
  6. Step 6: Final answer
    x = 318,746.27

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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.