Home / 215,400.24-297,244.31-119,904.88

Finding the Fourth Proportional to 215,400.24, 297,244.31 and 119,904.88

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Solution

The fourth proportional to 215,400.24, 297,244.31 and 119,904.88 is: 165,464.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,400.24 : 297,244.31 = 119,904.88 : x
  2. Step 2: Convert to fraction form
    215,400.24/297,244.31 = 119,904.88/x
  3. Step 3: Cross multiply
    215,400.24x = 297,244.31 × 119,904.88
  4. Step 4: Simplify right side
    215,400.24x = 35,641,043,321.23
  5. Step 5: Solve for x
    x = 35,641,043,321.23/215,400.24
  6. Step 6: Final answer
    x = 165,464.27

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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.