Home / 211,380.29-291,704.73-115,884.94

Finding the Fourth Proportional to 211,380.29, 291,704.73 and 115,884.94

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Solution

The fourth proportional to 211,380.29, 291,704.73 and 115,884.94 is: 159,921.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,380.29 : 291,704.73 = 115,884.94 : x
  2. Step 2: Convert to fraction form
    211,380.29/291,704.73 = 115,884.94/x
  3. Step 3: Cross multiply
    211,380.29x = 291,704.73 × 115,884.94
  4. Step 4: Simplify right side
    211,380.29x = 33,804,185,133.77
  5. Step 5: Solve for x
    x = 33,804,185,133.77/211,380.29
  6. Step 6: Final answer
    x = 159,921.18

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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.