Finding the Fourth Proportional to 212,400.54, 293,110.47 and 116,905.17
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Solution
The fourth proportional to 212,400.54, 293,110.47 and 116,905.17 is: 161,327.88
Step by Step Solution
- Step 1: Write the proportion equation
212,400.54 : 293,110.47 = 116,905.17 : x - Step 2: Convert to fraction form
212,400.54/293,110.47 = 116,905.17/x - Step 3: Cross multiply
212,400.54x = 293,110.47 × 116,905.17 - Step 4: Simplify right side
212,400.54x = 34,266,129,324.13 - Step 5: Solve for x
x = 34,266,129,324.13/212,400.54 - Step 6: Final answer
x = 161,327.88
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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.