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Finding the Fourth Proportional to 211,444.86, 291,797.91 and 115,945.86

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Solution

The fourth proportional to 211,444.86, 291,797.91 and 115,945.86 is: 160,007.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,444.86 : 291,797.91 = 115,945.86 : x
  2. Step 2: Convert to fraction form
    211,444.86/291,797.91 = 115,945.86/x
  3. Step 3: Cross multiply
    211,444.86x = 291,797.91 × 115,945.86
  4. Step 4: Simplify right side
    211,444.86x = 33,832,759,621.15
  5. Step 5: Solve for x
    x = 33,832,759,621.15/211,444.86
  6. Step 6: Final answer
    x = 160,007.48

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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.