Home / 211,062.78-291,263.73-115,569.46

Finding the Fourth Proportional to 211,062.78, 291,263.73 and 115,569.46

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Solution

The fourth proportional to 211,062.78, 291,263.73 and 115,569.46 is: 159,484.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,062.78 : 291,263.73 = 115,569.46 : x
  2. Step 2: Convert to fraction form
    211,062.78/291,263.73 = 115,569.46/x
  3. Step 3: Cross multiply
    211,062.78x = 291,263.73 × 115,569.46
  4. Step 4: Simplify right side
    211,062.78x = 33,661,192,357.77
  5. Step 5: Solve for x
    x = 33,661,192,357.77/211,062.78
  6. Step 6: Final answer
    x = 159,484.27

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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.