Finding the Fourth Proportional to 212,400.98, 293,113.43 and 116,906.99
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Solution
The fourth proportional to 212,400.98, 293,113.43 and 116,906.99 is: 161,331.69
Step by Step Solution
- Step 1: Write the proportion equation
212,400.98 : 293,113.43 = 116,906.99 : x - Step 2: Convert to fraction form
212,400.98/293,113.43 = 116,906.99/x - Step 3: Cross multiply
212,400.98x = 293,113.43 × 116,906.99 - Step 4: Simplify right side
212,400.98x = 34,267,008,829.88 - Step 5: Solve for x
x = 34,267,008,829.88/212,400.98 - Step 6: Final answer
x = 161,331.69
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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.