Home / 211,268.72-291,548.35-114,470.68

Finding the Fourth Proportional to 211,268.72, 291,548.35 and 114,470.68

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Solution

The fourth proportional to 211,268.72, 291,548.35 and 114,470.68 is: 157,968.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,268.72 : 291,548.35 = 114,470.68 : x
  2. Step 2: Convert to fraction form
    211,268.72/291,548.35 = 114,470.68/x
  3. Step 3: Cross multiply
    211,268.72x = 291,548.35 × 114,470.68
  4. Step 4: Simplify right side
    211,268.72x = 33,373,737,305.02
  5. Step 5: Solve for x
    x = 33,373,737,305.02/211,268.72
  6. Step 6: Final answer
    x = 157,968.19

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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.