Finding the Fourth Proportional to 161,556.12, 242,316.99 and 43,239.42
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Solution
The fourth proportional to 161,556.12, 242,316.99 and 43,239.42 is: 64,854.53
Step by Step Solution
- Step 1: Write the proportion equation
161,556.12 : 242,316.99 = 43,239.42 : x - Step 2: Convert to fraction form
161,556.12/242,316.99 = 43,239.42/x - Step 3: Cross multiply
161,556.12x = 242,316.99 × 43,239.42 - Step 4: Simplify right side
161,556.12x = 10,477,646,103.75 - Step 5: Solve for x
x = 10,477,646,103.75/161,556.12 - Step 6: Final answer
x = 64,854.53
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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.