Home / 211,280.94-291,569.94-115,785.54

Finding the Fourth Proportional to 211,280.94, 291,569.94 and 115,785.54

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Solution

The fourth proportional to 211,280.94, 291,569.94 and 115,785.54 is: 159,785.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,280.94 : 291,569.94 = 115,785.54 : x
  2. Step 2: Convert to fraction form
    211,280.94/291,569.94 = 115,785.54/x
  3. Step 3: Cross multiply
    211,280.94x = 291,569.94 × 115,785.54
  4. Step 4: Simplify right side
    211,280.94x = 33,759,582,950.67
  5. Step 5: Solve for x
    x = 33,759,582,950.67/211,280.94
  6. Step 6: Final answer
    x = 159,785.27

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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.