Home / 217,422.43-299,995.04-210,254.54

Finding the Fourth Proportional to 217,422.43, 299,995.04 and 210,254.54

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Solution

The fourth proportional to 217,422.43, 299,995.04 and 210,254.54 is: 290,104.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,422.43 : 299,995.04 = 210,254.54 : x
  2. Step 2: Convert to fraction form
    217,422.43/299,995.04 = 210,254.54/x
  3. Step 3: Cross multiply
    217,422.43x = 299,995.04 × 210,254.54
  4. Step 4: Simplify right side
    217,422.43x = 63,075,318,163.14
  5. Step 5: Solve for x
    x = 63,075,318,163.14/217,422.43
  6. Step 6: Final answer
    x = 290,104.93

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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.