Finding the Fourth Proportional to 551,971.70, 827,932.68 and 192,396.09
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Solution
The fourth proportional to 551,971.70, 827,932.68 and 192,396.09 is: 288,585.47
Step by Step Solution
- Step 1: Write the proportion equation
551,971.70 : 827,932.68 = 192,396.09 : x - Step 2: Convert to fraction form
551,971.70/827,932.68 = 192,396.09/x - Step 3: Cross multiply
551,971.70x = 827,932.68 × 192,396.09 - Step 4: Simplify right side
551,971.70x = 159,291,010,415.22 - Step 5: Solve for x
x = 159,291,010,415.22/551,971.70 - Step 6: Final answer
x = 288,585.47
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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.