Finding the Fourth Proportional to 212,401.98, 293,114.81 and 116,907.99
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Solution
The fourth proportional to 212,401.98, 293,114.81 and 116,907.99 is: 161,333.07
Step by Step Solution
- Step 1: Write the proportion equation
212,401.98 : 293,114.81 = 116,907.99 : x - Step 2: Convert to fraction form
212,401.98/293,114.81 = 116,907.99/x - Step 3: Cross multiply
212,401.98x = 293,114.81 × 116,907.99 - Step 4: Simplify right side
212,401.98x = 34,267,463,276.33 - Step 5: Solve for x
x = 34,267,463,276.33/212,401.98 - Step 6: Final answer
x = 161,333.07
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1.5x scale
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.