Home / 269,141.44-371,416.32-154,424.64

Finding the Fourth Proportional to 269,141.44, 371,416.32 and 154,424.64

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Solution

The fourth proportional to 269,141.44, 371,416.32 and 154,424.64 is: 213,106.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,141.44 : 371,416.32 = 154,424.64 : x
  2. Step 2: Convert to fraction form
    269,141.44/371,416.32 = 154,424.64/x
  3. Step 3: Cross multiply
    269,141.44x = 371,416.32 × 154,424.64
  4. Step 4: Simplify right side
    269,141.44x = 57,355,831,506.12
  5. Step 5: Solve for x
    x = 57,355,831,506.12/269,141.44
  6. Step 6: Final answer
    x = 213,106.65

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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.