Home / 218,426.22-301,378.19-122,898.06

Finding the Fourth Proportional to 218,426.22, 301,378.19 and 122,898.06

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Solution

The fourth proportional to 218,426.22, 301,378.19 and 122,898.06 is: 169,571.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,426.22 : 301,378.19 = 122,898.06 : x
  2. Step 2: Convert to fraction form
    218,426.22/301,378.19 = 122,898.06/x
  3. Step 3: Cross multiply
    218,426.22x = 301,378.19 × 122,898.06
  4. Step 4: Simplify right side
    218,426.22x = 37,038,794,262.82
  5. Step 5: Solve for x
    x = 37,038,794,262.82/218,426.22
  6. Step 6: Final answer
    x = 169,571.19

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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.