Home / 211,446-291,768.66-115,927.56

Finding the Fourth Proportional to 211,446, 291,768.66 and 115,927.56

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Solution

The fourth proportional to 211,446, 291,768.66 and 115,927.56 is: 159,965.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,446 : 291,768.66 = 115,927.56 : x
  2. Step 2: Convert to fraction form
    211,446/291,768.66 = 115,927.56/x
  3. Step 3: Cross multiply
    211,446x = 291,768.66 × 115,927.56
  4. Step 4: Simplify right side
    211,446x = 33,824,028,838.27
  5. Step 5: Solve for x
    x = 33,824,028,838.27/211,446
  6. Step 6: Final answer
    x = 159,965.33

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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.