Finding the Fourth Proportional to 144,823.40, 217,235.10 and 97,821.80
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Solution
The fourth proportional to 144,823.40, 217,235.10 and 97,821.80 is: 146,732.70
Step by Step Solution
- Step 1: Write the proportion equation
144,823.40 : 217,235.10 = 97,821.80 : x - Step 2: Convert to fraction form
144,823.40/217,235.10 = 97,821.80/x - Step 3: Cross multiply
144,823.40x = 217,235.10 × 97,821.80 - Step 4: Simplify right side
144,823.40x = 21,250,328,505.18 - Step 5: Solve for x
x = 21,250,328,505.18/144,823.40 - Step 6: Final answer
x = 146,732.70
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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.