Home / 317,932.37-477,303.23-206,080.64

Finding the Fourth Proportional to 317,932.37, 477,303.23 and 206,080.64

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Solution

The fourth proportional to 317,932.37, 477,303.23 and 206,080.64 is: 309,383.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,932.37 : 477,303.23 = 206,080.64 : x
  2. Step 2: Convert to fraction form
    317,932.37/477,303.23 = 206,080.64/x
  3. Step 3: Cross multiply
    317,932.37x = 477,303.23 × 206,080.64
  4. Step 4: Simplify right side
    317,932.37x = 98,362,952,468.35
  5. Step 5: Solve for x
    x = 98,362,952,468.35/317,932.37
  6. Step 6: Final answer
    x = 309,383.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.