Finding the Fourth Proportional to 214,598.85, 296,053.97 and 129,666.75
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Solution
The fourth proportional to 214,598.85, 296,053.97 and 129,666.75 is: 178,884.26
Step by Step Solution
- Step 1: Write the proportion equation
214,598.85 : 296,053.97 = 129,666.75 : x - Step 2: Convert to fraction form
214,598.85/296,053.97 = 129,666.75/x - Step 3: Cross multiply
214,598.85x = 296,053.97 × 129,666.75 - Step 4: Simplify right side
214,598.85x = 38,388,355,466.16 - Step 5: Solve for x
x = 38,388,355,466.16/214,598.85 - Step 6: Final answer
x = 178,884.26
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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.