Finding the Fourth Proportional to 97,990.98, 146,988.09 and 27,872.10
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Solution
The fourth proportional to 97,990.98, 146,988.09 and 27,872.10 is: 41,808.61
Step by Step Solution
- Step 1: Write the proportion equation
97,990.98 : 146,988.09 = 27,872.10 : x - Step 2: Convert to fraction form
97,990.98/146,988.09 = 27,872.10/x - Step 3: Cross multiply
97,990.98x = 146,988.09 × 27,872.10 - Step 4: Simplify right side
97,990.98x = 4,096,866,743.29 - Step 5: Solve for x
x = 4,096,866,743.29/97,990.98 - Step 6: Final answer
x = 41,808.61
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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.