Home / 211,380.04-291,704.38-115,884.69

Finding the Fourth Proportional to 211,380.04, 291,704.38 and 115,884.69

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Solution

The fourth proportional to 211,380.04, 291,704.38 and 115,884.69 is: 159,920.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,380.04 : 291,704.38 = 115,884.69 : x
  2. Step 2: Convert to fraction form
    211,380.04/291,704.38 = 115,884.69/x
  3. Step 3: Cross multiply
    211,380.04x = 291,704.38 × 115,884.69
  4. Step 4: Simplify right side
    211,380.04x = 33,804,071,647.94
  5. Step 5: Solve for x
    x = 33,804,071,647.94/211,380.04
  6. Step 6: Final answer
    x = 159,920.83

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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.