Home / 366,500.28-505,723.38-205,315.68

Finding the Fourth Proportional to 366,500.28, 505,723.38 and 205,315.68

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Solution

The fourth proportional to 366,500.28, 505,723.38 and 205,315.68 is: 283,309.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,500.28 : 505,723.38 = 205,315.68 : x
  2. Step 2: Convert to fraction form
    366,500.28/505,723.38 = 205,315.68/x
  3. Step 3: Cross multiply
    366,500.28x = 505,723.38 × 205,315.68
  4. Step 4: Simplify right side
    366,500.28x = 103,832,939,656.60
  5. Step 5: Solve for x
    x = 103,832,939,656.60/366,500.28
  6. Step 6: Final answer
    x = 283,309.31

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1.5x scale

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.