Finding the Fourth Proportional to 356,412.94, 491,850.21 and 193,069.81
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Solution
The fourth proportional to 356,412.94, 491,850.21 and 193,069.81 is: 266,436.53
Step by Step Solution
- Step 1: Write the proportion equation
356,412.94 : 491,850.21 = 193,069.81 : x - Step 2: Convert to fraction form
356,412.94/491,850.21 = 193,069.81/x - Step 3: Cross multiply
356,412.94x = 491,850.21 × 193,069.81 - Step 4: Simplify right side
356,412.94x = 94,961,426,593.16 - Step 5: Solve for x
x = 94,961,426,593.16/356,412.94 - Step 6: Final answer
x = 266,436.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.