Home / 211,849.89-317,774.73-54,078.29

Finding the Fourth Proportional to 211,849.89, 317,774.73 and 54,078.29

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Solution

The fourth proportional to 211,849.89, 317,774.73 and 54,078.29 is: 81,117.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,849.89 : 317,774.73 = 54,078.29 : x
  2. Step 2: Convert to fraction form
    211,849.89/317,774.73 = 54,078.29/x
  3. Step 3: Cross multiply
    211,849.89x = 317,774.73 × 54,078.29
  4. Step 4: Simplify right side
    211,849.89x = 17,184,713,505.00
  5. Step 5: Solve for x
    x = 17,184,713,505.00/211,849.89
  6. Step 6: Final answer
    x = 81,117.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.