Finding the Fourth Proportional to 382,939.06, 528,526.76 and 221,794.06
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Solution
The fourth proportional to 382,939.06, 528,526.76 and 221,794.06 is: 306,116.84
Step by Step Solution
- Step 1: Write the proportion equation
382,939.06 : 528,526.76 = 221,794.06 : x - Step 2: Convert to fraction form
382,939.06/528,526.76 = 221,794.06/x - Step 3: Cross multiply
382,939.06x = 528,526.76 × 221,794.06 - Step 4: Simplify right side
382,939.06x = 117,224,093,488.76 - Step 5: Solve for x
x = 117,224,093,488.76/382,939.06 - Step 6: Final answer
x = 306,116.84
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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.