Finding the Fourth Proportional to 228,251.81, 342,497.09 and 93,415.97
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Solution
The fourth proportional to 228,251.81, 342,497.09 and 93,415.97 is: 140,172.80
Step by Step Solution
- Step 1: Write the proportion equation
228,251.81 : 342,497.09 = 93,415.97 : x - Step 2: Convert to fraction form
228,251.81/342,497.09 = 93,415.97/x - Step 3: Cross multiply
228,251.81x = 342,497.09 × 93,415.97 - Step 4: Simplify right side
228,251.81x = 31,994,695,704.96 - Step 5: Solve for x
x = 31,994,695,704.96/228,251.81 - Step 6: Final answer
x = 140,172.80
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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.