Home / 366,475.35-505,756.66-205,382.30

Finding the Fourth Proportional to 366,475.35, 505,756.66 and 205,382.30

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Solution

The fourth proportional to 366,475.35, 505,756.66 and 205,382.30 is: 283,439.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,475.35 : 505,756.66 = 205,382.30 : x
  2. Step 2: Convert to fraction form
    366,475.35/505,756.66 = 205,382.30/x
  3. Step 3: Cross multiply
    366,475.35x = 505,756.66 × 205,382.30
  4. Step 4: Simplify right side
    366,475.35x = 103,873,466,258.85
  5. Step 5: Solve for x
    x = 103,873,466,258.85/366,475.35
  6. Step 6: Final answer
    x = 283,439.16

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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.