Finding the Fourth Proportional to 220,580.68, 330,871.07 and 54,368.68
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Solution
The fourth proportional to 220,580.68, 330,871.07 and 54,368.68 is: 81,553.03
Step by Step Solution
- Step 1: Write the proportion equation
220,580.68 : 330,871.07 = 54,368.68 : x - Step 2: Convert to fraction form
220,580.68/330,871.07 = 54,368.68/x - Step 3: Cross multiply
220,580.68x = 330,871.07 × 54,368.68 - Step 4: Simplify right side
220,580.68x = 17,989,023,326.09 - Step 5: Solve for x
x = 17,989,023,326.09/220,580.68 - Step 6: Final answer
x = 81,553.03
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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.