Home / 211,297.77-291,590.35-114,504.31

Finding the Fourth Proportional to 211,297.77, 291,590.35 and 114,504.31

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Solution

The fourth proportional to 211,297.77, 291,590.35 and 114,504.31 is: 158,015.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,297.77 : 291,590.35 = 114,504.31 : x
  2. Step 2: Convert to fraction form
    211,297.77/291,590.35 = 114,504.31/x
  3. Step 3: Cross multiply
    211,297.77x = 291,590.35 × 114,504.31
  4. Step 4: Simplify right side
    211,297.77x = 33,388,351,907.64
  5. Step 5: Solve for x
    x = 33,388,351,907.64/211,297.77
  6. Step 6: Final answer
    x = 158,015.64

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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.