Finding the Fourth Proportional to 235,638.14, 353,511.88 and 77,857.02
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Solution
The fourth proportional to 235,638.14, 353,511.88 and 77,857.02 is: 116,803.60
Step by Step Solution
- Step 1: Write the proportion equation
235,638.14 : 353,511.88 = 77,857.02 : x - Step 2: Convert to fraction form
235,638.14/353,511.88 = 77,857.02/x - Step 3: Cross multiply
235,638.14x = 353,511.88 × 77,857.02 - Step 4: Simplify right side
235,638.14x = 27,523,382,639.47 - Step 5: Solve for x
x = 27,523,382,639.47/235,638.14 - Step 6: Final answer
x = 116,803.60
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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.