Finding the Fourth Proportional to 263,398.44, 363,492.40 and 142,542.23
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Solution
The fourth proportional to 263,398.44, 363,492.40 and 142,542.23 is: 196,709.66
Step by Step Solution
- Step 1: Write the proportion equation
263,398.44 : 363,492.40 = 142,542.23 : x - Step 2: Convert to fraction form
263,398.44/363,492.40 = 142,542.23/x - Step 3: Cross multiply
263,398.44x = 363,492.40 × 142,542.23 - Step 4: Simplify right side
263,398.44x = 51,813,017,284.05 - Step 5: Solve for x
x = 51,813,017,284.05/263,398.44 - Step 6: Final answer
x = 196,709.66
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1.5x scale
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.