Finding the Fourth Proportional to 118,063.68, 177,123.21 and 46,990.62
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Solution
The fourth proportional to 118,063.68, 177,123.21 and 46,990.62 is: 70,496.95
Step by Step Solution
- Step 1: Write the proportion equation
118,063.68 : 177,123.21 = 46,990.62 : x - Step 2: Convert to fraction form
118,063.68/177,123.21 = 46,990.62/x - Step 3: Cross multiply
118,063.68x = 177,123.21 × 46,990.62 - Step 4: Simplify right side
118,063.68x = 8,323,129,454.29 - Step 5: Solve for x
x = 8,323,129,454.29/118,063.68 - Step 6: Final answer
x = 70,496.95
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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.