Home / 366,529.32-505,809.79-223,289.36

Finding the Fourth Proportional to 366,529.32, 505,809.79 and 223,289.36

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Solution

The fourth proportional to 366,529.32, 505,809.79 and 223,289.36 is: 308,138.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,529.32 : 505,809.79 = 223,289.36 : x
  2. Step 2: Convert to fraction form
    366,529.32/505,809.79 = 223,289.36/x
  3. Step 3: Cross multiply
    366,529.32x = 505,809.79 × 223,289.36
  4. Step 4: Simplify right side
    366,529.32x = 112,941,944,290.83
  5. Step 5: Solve for x
    x = 112,941,944,290.83/366,529.32
  6. Step 6: Final answer
    x = 308,138.91

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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.