Finding the Fourth Proportional to 202,439.25, 279,377.24 and 111,794.99
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Solution
The fourth proportional to 202,439.25, 279,377.24 and 111,794.99 is: 154,283.19
Step by Step Solution
- Step 1: Write the proportion equation
202,439.25 : 279,377.24 = 111,794.99 : x - Step 2: Convert to fraction form
202,439.25/279,377.24 = 111,794.99/x - Step 3: Cross multiply
202,439.25x = 279,377.24 × 111,794.99 - Step 4: Simplify right side
202,439.25x = 31,232,973,796.17 - Step 5: Solve for x
x = 31,232,973,796.17/202,439.25 - Step 6: Final answer
x = 154,283.19
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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.