Home / 211,034.36-291,227.40-115,541.03

Finding the Fourth Proportional to 211,034.36, 291,227.40 and 115,541.03

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Solution

The fourth proportional to 211,034.36, 291,227.40 and 115,541.03 is: 159,446.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,034.36 : 291,227.40 = 115,541.03 : x
  2. Step 2: Convert to fraction form
    211,034.36/291,227.40 = 115,541.03/x
  3. Step 3: Cross multiply
    211,034.36x = 291,227.40 × 115,541.03
  4. Step 4: Simplify right side
    211,034.36x = 33,648,714,488.29
  5. Step 5: Solve for x
    x = 33,648,714,488.29/211,034.36
  6. Step 6: Final answer
    x = 159,446.61

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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.