Home / 366,527.32-505,807.03-223,287.36

Finding the Fourth Proportional to 366,527.32, 505,807.03 and 223,287.36

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Solution

The fourth proportional to 366,527.32, 505,807.03 and 223,287.36 is: 308,136.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,527.32 : 505,807.03 = 223,287.36 : x
  2. Step 2: Convert to fraction form
    366,527.32/505,807.03 = 223,287.36/x
  3. Step 3: Cross multiply
    366,527.32x = 505,807.03 × 223,287.36
  4. Step 4: Simplify right side
    366,527.32x = 112,940,314,780.47
  5. Step 5: Solve for x
    x = 112,940,314,780.47/366,527.32
  6. Step 6: Final answer
    x = 308,136.15

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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.