Home / 269,078.05-371,329.60-154,361.70

Finding the Fourth Proportional to 269,078.05, 371,329.60 and 154,361.70

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Solution

The fourth proportional to 269,078.05, 371,329.60 and 154,361.70 is: 213,020.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,078.05 : 371,329.60 = 154,361.70 : x
  2. Step 2: Convert to fraction form
    269,078.05/371,329.60 = 154,361.70/x
  3. Step 3: Cross multiply
    269,078.05x = 371,329.60 × 154,361.70
  4. Step 4: Simplify right side
    269,078.05x = 57,319,066,459.67
  5. Step 5: Solve for x
    x = 57,319,066,459.67/269,078.05
  6. Step 6: Final answer
    x = 213,020.23

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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.