Finding the Fourth Proportional to 234,039.99, 351,069.97 and 91,916.06
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Solution
The fourth proportional to 234,039.99, 351,069.97 and 91,916.06 is: 137,878.01
Step by Step Solution
- Step 1: Write the proportion equation
234,039.99 : 351,069.97 = 91,916.06 : x - Step 2: Convert to fraction form
234,039.99/351,069.97 = 91,916.06/x - Step 3: Cross multiply
234,039.99x = 351,069.97 × 91,916.06 - Step 4: Simplify right side
234,039.99x = 32,268,968,426.72 - Step 5: Solve for x
x = 32,268,968,426.72/234,039.99 - Step 6: Final answer
x = 137,878.01
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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.