Finding the Fourth Proportional to 242,821.08, 335,094.99 and 135,398.01
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Solution
The fourth proportional to 242,821.08, 335,094.99 and 135,398.01 is: 186,850.31
Step by Step Solution
- Step 1: Write the proportion equation
242,821.08 : 335,094.99 = 135,398.01 : x - Step 2: Convert to fraction form
242,821.08/335,094.99 = 135,398.01/x - Step 3: Cross multiply
242,821.08x = 335,094.99 × 135,398.01 - Step 4: Simplify right side
242,821.08x = 45,371,194,806.97 - Step 5: Solve for x
x = 45,371,194,806.97/242,821.08 - Step 6: Final answer
x = 186,850.31
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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.