Finding the Fourth Proportional to 118,318.68, 177,379.92 and 47,197.44
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Solution
The fourth proportional to 118,318.68, 177,379.92 and 47,197.44 is: 70,757.03
Step by Step Solution
- Step 1: Write the proportion equation
118,318.68 : 177,379.92 = 47,197.44 : x - Step 2: Convert to fraction form
118,318.68/177,379.92 = 47,197.44/x - Step 3: Cross multiply
118,318.68x = 177,379.92 × 47,197.44 - Step 4: Simplify right side
118,318.68x = 8,371,878,131.40 - Step 5: Solve for x
x = 8,371,878,131.40/118,318.68 - Step 6: Final answer
x = 70,757.03
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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.