Finding the Fourth Proportional to 183,731.13, 275,614.10 and 71,420.03
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Solution
The fourth proportional to 183,731.13, 275,614.10 and 71,420.03 is: 107,136.80
Step by Step Solution
- Step 1: Write the proportion equation
183,731.13 : 275,614.10 = 71,420.03 : x - Step 2: Convert to fraction form
183,731.13/275,614.10 = 71,420.03/x - Step 3: Cross multiply
183,731.13x = 275,614.10 × 71,420.03 - Step 4: Simplify right side
183,731.13x = 19,684,365,555.25 - Step 5: Solve for x
x = 19,684,365,555.25/183,731.13 - Step 6: Final answer
x = 107,136.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.