Home / 282,849.78-423,994.43-132,821.51

Finding the Fourth Proportional to 282,849.78, 423,994.43 and 132,821.51

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Solution

The fourth proportional to 282,849.78, 423,994.43 and 132,821.51 is: 199,100.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,849.78 : 423,994.43 = 132,821.51 : x
  2. Step 2: Convert to fraction form
    282,849.78/423,994.43 = 132,821.51/x
  3. Step 3: Cross multiply
    282,849.78x = 423,994.43 × 132,821.51
  4. Step 4: Simplify right side
    282,849.78x = 56,315,577,640.11
  5. Step 5: Solve for x
    x = 56,315,577,640.11/282,849.78
  6. Step 6: Final answer
    x = 199,100.66

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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.