Home / 307,611.04-461,370.48-255,356.32

Finding the Fourth Proportional to 307,611.04, 461,370.48 and 255,356.32

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Solution

The fourth proportional to 307,611.04, 461,370.48 and 255,356.32 is: 382,996.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,611.04 : 461,370.48 = 255,356.32 : x
  2. Step 2: Convert to fraction form
    307,611.04/461,370.48 = 255,356.32/x
  3. Step 3: Cross multiply
    307,611.04x = 461,370.48 × 255,356.32
  4. Step 4: Simplify right side
    307,611.04x = 117,813,867,929.43
  5. Step 5: Solve for x
    x = 117,813,867,929.43/307,611.04
  6. Step 6: Final answer
    x = 382,996.23

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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.