Home / 211,033.94-291,215.30-115,522.16

Finding the Fourth Proportional to 211,033.94, 291,215.30 and 115,522.16

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Solution

The fourth proportional to 211,033.94, 291,215.30 and 115,522.16 is: 159,414.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,033.94 : 291,215.30 = 115,522.16 : x
  2. Step 2: Convert to fraction form
    211,033.94/291,215.30 = 115,522.16/x
  3. Step 3: Cross multiply
    211,033.94x = 291,215.30 × 115,522.16
  4. Step 4: Simplify right side
    211,033.94x = 33,641,818,447.36
  5. Step 5: Solve for x
    x = 33,641,818,447.36/211,033.94
  6. Step 6: Final answer
    x = 159,414.26

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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.