Finding the Fourth Proportional to 220,088.08, 303,722.82 and 129,447.88
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Solution
The fourth proportional to 220,088.08, 303,722.82 and 129,447.88 is: 178,638.82
Step by Step Solution
- Step 1: Write the proportion equation
220,088.08 : 303,722.82 = 129,447.88 : x - Step 2: Convert to fraction form
220,088.08/303,722.82 = 129,447.88/x - Step 3: Cross multiply
220,088.08x = 303,722.82 × 129,447.88 - Step 4: Simplify right side
220,088.08x = 39,316,275,156.62 - Step 5: Solve for x
x = 39,316,275,156.62/220,088.08 - Step 6: Final answer
x = 178,638.82
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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.