Finding the Fourth Proportional to 147,112.84, 220,669.26 and 53,618.68
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Solution
The fourth proportional to 147,112.84, 220,669.26 and 53,618.68 is: 80,428.02
Step by Step Solution
- Step 1: Write the proportion equation
147,112.84 : 220,669.26 = 53,618.68 : x - Step 2: Convert to fraction form
147,112.84/220,669.26 = 53,618.68/x - Step 3: Cross multiply
147,112.84x = 220,669.26 × 53,618.68 - Step 4: Simplify right side
147,112.84x = 11,831,994,437.78 - Step 5: Solve for x
x = 11,831,994,437.78/147,112.84 - Step 6: Final answer
x = 80,428.02
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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.