Home / 217,010.78-325,206-122,041.64

Finding the Fourth Proportional to 217,010.78, 325,206 and 122,041.64

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Solution

The fourth proportional to 217,010.78, 325,206 and 122,041.64 is: 182,888.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,010.78 : 325,206 = 122,041.64 : x
  2. Step 2: Convert to fraction form
    217,010.78/325,206 = 122,041.64/x
  3. Step 3: Cross multiply
    217,010.78x = 325,206 × 122,041.64
  4. Step 4: Simplify right side
    217,010.78x = 39,688,673,577.84
  5. Step 5: Solve for x
    x = 39,688,673,577.84/217,010.78
  6. Step 6: Final answer
    x = 182,888.03

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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.