Finding the Fourth Proportional to 178,220.94, 267,331.77 and 73,021.02
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Solution
The fourth proportional to 178,220.94, 267,331.77 and 73,021.02 is: 109,531.68
Step by Step Solution
- Step 1: Write the proportion equation
178,220.94 : 267,331.77 = 73,021.02 : x - Step 2: Convert to fraction form
178,220.94/267,331.77 = 73,021.02/x - Step 3: Cross multiply
178,220.94x = 267,331.77 × 73,021.02 - Step 4: Simplify right side
178,220.94x = 19,520,838,523.81 - Step 5: Solve for x
x = 19,520,838,523.81/178,220.94 - Step 6: Final answer
x = 109,531.68
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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.