Home / 211,287.66-291,579.27-115,792.32

Finding the Fourth Proportional to 211,287.66, 291,579.27 and 115,792.32

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Solution

The fourth proportional to 211,287.66, 291,579.27 and 115,792.32 is: 159,794.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,287.66 : 291,579.27 = 115,792.32 : x
  2. Step 2: Convert to fraction form
    211,287.66/291,579.27 = 115,792.32/x
  3. Step 3: Cross multiply
    211,287.66x = 291,579.27 × 115,792.32
  4. Step 4: Simplify right side
    211,287.66x = 33,762,640,137.21
  5. Step 5: Solve for x
    x = 33,762,640,137.21/211,287.66
  6. Step 6: Final answer
    x = 159,794.66

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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.