Finding the Fourth Proportional to 118,316.93, 177,369.84 and 43,419.70
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Solution
The fourth proportional to 118,316.93, 177,369.84 and 43,419.70 is: 65,090.81
Step by Step Solution
- Step 1: Write the proportion equation
118,316.93 : 177,369.84 = 43,419.70 : x - Step 2: Convert to fraction form
118,316.93/177,369.84 = 43,419.70/x - Step 3: Cross multiply
118,316.93x = 177,369.84 × 43,419.70 - Step 4: Simplify right side
118,316.93x = 7,701,344,404.80 - Step 5: Solve for x
x = 7,701,344,404.80/118,316.93 - Step 6: Final answer
x = 65,090.81
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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.