Finding the Fourth Proportional to 351,995.67, 485,751.09 and 199,063.88
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Solution
The fourth proportional to 351,995.67, 485,751.09 and 199,063.88 is: 274,706.49
Step by Step Solution
- Step 1: Write the proportion equation
351,995.67 : 485,751.09 = 199,063.88 : x - Step 2: Convert to fraction form
351,995.67/485,751.09 = 199,063.88/x - Step 3: Cross multiply
351,995.67x = 485,751.09 × 199,063.88 - Step 4: Simplify right side
351,995.67x = 96,695,496,689.63 - Step 5: Solve for x
x = 96,695,496,689.63/351,995.67 - Step 6: Final answer
x = 274,706.49
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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.