Home / 281,827.89-388,922.49-154,504.38

Finding the Fourth Proportional to 281,827.89, 388,922.49 and 154,504.38

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Solution

The fourth proportional to 281,827.89, 388,922.49 and 154,504.38 is: 213,216.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,827.89 : 388,922.49 = 154,504.38 : x
  2. Step 2: Convert to fraction form
    281,827.89/388,922.49 = 154,504.38/x
  3. Step 3: Cross multiply
    281,827.89x = 388,922.49 × 154,504.38
  4. Step 4: Simplify right side
    281,827.89x = 60,090,228,185.51
  5. Step 5: Solve for x
    x = 60,090,228,185.51/281,827.89
  6. Step 6: Final answer
    x = 213,216.05

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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.