Home / 366,621.28-505,892.40-223,329.28

Finding the Fourth Proportional to 366,621.28, 505,892.40 and 223,329.28

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Solution

The fourth proportional to 366,621.28, 505,892.40 and 223,329.28 is: 308,167.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,621.28 : 505,892.40 = 223,329.28 : x
  2. Step 2: Convert to fraction form
    366,621.28/505,892.40 = 223,329.28/x
  3. Step 3: Cross multiply
    366,621.28x = 505,892.40 × 223,329.28
  4. Step 4: Simplify right side
    366,621.28x = 112,980,585,449.47
  5. Step 5: Solve for x
    x = 112,980,585,449.47/366,621.28
  6. Step 6: Final answer
    x = 308,167.01

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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.