Finding the Fourth Proportional to 136,294.84, 204,529.74 and 66,135.88
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Solution
The fourth proportional to 136,294.84, 204,529.74 and 66,135.88 is: 99,246.27
Step by Step Solution
- Step 1: Write the proportion equation
136,294.84 : 204,529.74 = 66,135.88 : x - Step 2: Convert to fraction form
136,294.84/204,529.74 = 66,135.88/x - Step 3: Cross multiply
136,294.84x = 204,529.74 × 66,135.88 - Step 4: Simplify right side
136,294.84x = 13,526,754,341.07 - Step 5: Solve for x
x = 13,526,754,341.07/136,294.84 - Step 6: Final answer
x = 99,246.27
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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.