Home / 211,083.08-291,294.48-115,591.64

Finding the Fourth Proportional to 211,083.08, 291,294.48 and 115,591.64

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Solution

The fourth proportional to 211,083.08, 291,294.48 and 115,591.64 is: 159,516.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,083.08 : 291,294.48 = 115,591.64 : x
  2. Step 2: Convert to fraction form
    211,083.08/291,294.48 = 115,591.64/x
  3. Step 3: Cross multiply
    211,083.08x = 291,294.48 × 115,591.64
  4. Step 4: Simplify right side
    211,083.08x = 33,671,206,666.15
  5. Step 5: Solve for x
    x = 33,671,206,666.15/211,083.08
  6. Step 6: Final answer
    x = 159,516.37

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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.