Home / 401,351.22-602,085.24-214,260.66

Finding the Fourth Proportional to 401,351.22, 602,085.24 and 214,260.66

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Solution

The fourth proportional to 401,351.22, 602,085.24 and 214,260.66 is: 321,422.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,351.22 : 602,085.24 = 214,260.66 : x
  2. Step 2: Convert to fraction form
    401,351.22/602,085.24 = 214,260.66/x
  3. Step 3: Cross multiply
    401,351.22x = 602,085.24 × 214,260.66
  4. Step 4: Simplify right side
    401,351.22x = 129,003,180,898.66
  5. Step 5: Solve for x
    x = 129,003,180,898.66/401,351.22
  6. Step 6: Final answer
    x = 321,422.17

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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.