Finding the Fourth Proportional to 94,220.70, 141,331.05 and 66,227.10
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Solution
The fourth proportional to 94,220.70, 141,331.05 and 66,227.10 is: 99,340.65
Step by Step Solution
- Step 1: Write the proportion equation
94,220.70 : 141,331.05 = 66,227.10 : x - Step 2: Convert to fraction form
94,220.70/141,331.05 = 66,227.10/x - Step 3: Cross multiply
94,220.70x = 141,331.05 × 66,227.10 - Step 4: Simplify right side
94,220.70x = 9,359,945,581.46 - Step 5: Solve for x
x = 9,359,945,581.46/94,220.70 - Step 6: Final answer
x = 99,340.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.