Finding the Fourth Proportional to 147,135.79, 220,705.72 and 41,954.75
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Solution
The fourth proportional to 147,135.79, 220,705.72 and 41,954.75 is: 62,932.70
Step by Step Solution
- Step 1: Write the proportion equation
147,135.79 : 220,705.72 = 41,954.75 : x - Step 2: Convert to fraction form
147,135.79/220,705.72 = 41,954.75/x - Step 3: Cross multiply
147,135.79x = 220,705.72 × 41,954.75 - Step 4: Simplify right side
147,135.79x = 9,259,652,097.75 - Step 5: Solve for x
x = 9,259,652,097.75/147,135.79 - Step 6: Final answer
x = 62,932.70
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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.