Finding the Fourth Proportional to 212,440.11, 293,177.88 and 116,945.79
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Solution
The fourth proportional to 212,440.11, 293,177.88 and 116,945.79 is: 161,390.99
Step by Step Solution
- Step 1: Write the proportion equation
212,440.11 : 293,177.88 = 116,945.79 : x - Step 2: Convert to fraction form
212,440.11/293,177.88 = 116,945.79/x - Step 3: Cross multiply
212,440.11x = 293,177.88 × 116,945.79 - Step 4: Simplify right side
212,440.11x = 34,285,918,787.13 - Step 5: Solve for x
x = 34,285,918,787.13/212,440.11 - Step 6: Final answer
x = 161,390.99
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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.