Home / 451,980.72-623,734.38-248,033.16

Finding the Fourth Proportional to 451,980.72, 623,734.38 and 248,033.16

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Solution

The fourth proportional to 451,980.72, 623,734.38 and 248,033.16 is: 342,286.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,980.72 : 623,734.38 = 248,033.16 : x
  2. Step 2: Convert to fraction form
    451,980.72/623,734.38 = 248,033.16/x
  3. Step 3: Cross multiply
    451,980.72x = 623,734.38 × 248,033.16
  4. Step 4: Simplify right side
    451,980.72x = 154,706,809,272.04
  5. Step 5: Solve for x
    x = 154,706,809,272.04/451,980.72
  6. Step 6: Final answer
    x = 342,286.30

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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.