Finding the Fourth Proportional to 551,549.95, 827,111.69 and 214,545.09
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Solution
The fourth proportional to 551,549.95, 827,111.69 and 214,545.09 is: 321,734.69
Step by Step Solution
- Step 1: Write the proportion equation
551,549.95 : 827,111.69 = 214,545.09 : x - Step 2: Convert to fraction form
551,549.95/827,111.69 = 214,545.09/x - Step 3: Cross multiply
551,549.95x = 827,111.69 × 214,545.09 - Step 4: Simplify right side
551,549.95x = 177,452,751,971.10 - Step 5: Solve for x
x = 177,452,751,971.10/551,549.95 - Step 6: Final answer
x = 321,734.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.