Finding the Fourth Proportional to 409,910.65, 610,791.08 and 365,193.79
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Solution
The fourth proportional to 409,910.65, 610,791.08 and 365,193.79 is: 544,160.32
Step by Step Solution
- Step 1: Write the proportion equation
409,910.65 : 610,791.08 = 365,193.79 : x - Step 2: Convert to fraction form
409,910.65/610,791.08 = 365,193.79/x - Step 3: Cross multiply
409,910.65x = 610,791.08 × 365,193.79 - Step 4: Simplify right side
409,910.65x = 223,057,109,403.39 - Step 5: Solve for x
x = 223,057,109,403.39/409,910.65 - Step 6: Final answer
x = 544,160.32
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.