Finding the Fourth Proportional to 614,331.18, 921,911.99 and 214,975.49
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Solution
The fourth proportional to 614,331.18, 921,911.99 and 214,975.49 is: 322,608.53
Step by Step Solution
- Step 1: Write the proportion equation
614,331.18 : 921,911.99 = 214,975.49 : x - Step 2: Convert to fraction form
614,331.18/921,911.99 = 214,975.49/x - Step 3: Cross multiply
614,331.18x = 921,911.99 × 214,975.49 - Step 4: Simplify right side
614,331.18x = 198,188,476,102.69 - Step 5: Solve for x
x = 198,188,476,102.69/614,331.18 - Step 6: Final answer
x = 322,608.53
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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.