Home / 536,736.51-805,203.09-221,021.19

Finding the Fourth Proportional to 536,736.51, 805,203.09 and 221,021.19

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Solution

The fourth proportional to 536,736.51, 805,203.09 and 221,021.19 is: 331,572.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,736.51 : 805,203.09 = 221,021.19 : x
  2. Step 2: Convert to fraction form
    536,736.51/805,203.09 = 221,021.19/x
  3. Step 3: Cross multiply
    536,736.51x = 805,203.09 × 221,021.19
  4. Step 4: Simplify right side
    536,736.51x = 177,966,945,143.48
  5. Step 5: Solve for x
    x = 177,966,945,143.48/536,736.51
  6. Step 6: Final answer
    x = 331,572.27

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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.