Finding the Fourth Proportional to 165,497.87, 228,391.49 and 93,888.66
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Solution
The fourth proportional to 165,497.87, 228,391.49 and 93,888.66 is: 129,568.86
Step by Step Solution
- Step 1: Write the proportion equation
165,497.87 : 228,391.49 = 93,888.66 : x - Step 2: Convert to fraction form
165,497.87/228,391.49 = 93,888.66/x - Step 3: Cross multiply
165,497.87x = 228,391.49 × 93,888.66 - Step 4: Simplify right side
165,497.87x = 21,443,371,186.23 - Step 5: Solve for x
x = 21,443,371,186.23/165,497.87 - Step 6: Final answer
x = 129,568.86
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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.