Finding the Fourth Proportional to 221,144.54, 304,938.30 and 149,399.99
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Solution
The fourth proportional to 221,144.54, 304,938.30 and 149,399.99 is: 206,009.06
Step by Step Solution
- Step 1: Write the proportion equation
221,144.54 : 304,938.30 = 149,399.99 : x - Step 2: Convert to fraction form
221,144.54/304,938.30 = 149,399.99/x - Step 3: Cross multiply
221,144.54x = 304,938.30 × 149,399.99 - Step 4: Simplify right side
221,144.54x = 45,557,778,970.62 - Step 5: Solve for x
x = 45,557,778,970.62/221,144.54 - Step 6: Final answer
x = 206,009.06
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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.