Finding the Fourth Proportional to 147,010.14, 220,383.99 and 68,015.70
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Solution
The fourth proportional to 147,010.14, 220,383.99 and 68,015.70 is: 101,962.84
Step by Step Solution
- Step 1: Write the proportion equation
147,010.14 : 220,383.99 = 68,015.70 : x - Step 2: Convert to fraction form
147,010.14/220,383.99 = 68,015.70/x - Step 3: Cross multiply
147,010.14x = 220,383.99 × 68,015.70 - Step 4: Simplify right side
147,010.14x = 14,989,571,348.64 - Step 5: Solve for x
x = 14,989,571,348.64/147,010.14 - Step 6: Final answer
x = 101,962.84
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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.