Finding the Fourth Proportional to 107,269.80, 160,904.70 and 102,349.05
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Solution
The fourth proportional to 107,269.80, 160,904.70 and 102,349.05 is: 153,523.58
Step by Step Solution
- Step 1: Write the proportion equation
107,269.80 : 160,904.70 = 102,349.05 : x - Step 2: Convert to fraction form
107,269.80/160,904.70 = 102,349.05/x - Step 3: Cross multiply
107,269.80x = 160,904.70 × 102,349.05 - Step 4: Simplify right side
107,269.80x = 16,468,443,185.54 - Step 5: Solve for x
x = 16,468,443,185.54/107,269.80 - Step 6: Final answer
x = 153,523.58
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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.