Home / 283,743.89-391,570.91-154,682.43

Finding the Fourth Proportional to 283,743.89, 391,570.91 and 154,682.43

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Solution

The fourth proportional to 283,743.89, 391,570.91 and 154,682.43 is: 213,464.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,743.89 : 391,570.91 = 154,682.43 : x
  2. Step 2: Convert to fraction form
    283,743.89/391,570.91 = 154,682.43/x
  3. Step 3: Cross multiply
    283,743.89x = 391,570.91 × 154,682.43
  4. Step 4: Simplify right side
    283,743.89x = 60,569,140,571.09
  5. Step 5: Solve for x
    x = 60,569,140,571.09/283,743.89
  6. Step 6: Final answer
    x = 213,464.13

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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.