Finding the Fourth Proportional to 106,530.84, 159,797.34 and 27,640.26
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Solution
The fourth proportional to 106,530.84, 159,797.34 and 27,640.26 is: 41,460.67
Step by Step Solution
- Step 1: Write the proportion equation
106,530.84 : 159,797.34 = 27,640.26 : x - Step 2: Convert to fraction form
106,530.84/159,797.34 = 27,640.26/x - Step 3: Cross multiply
106,530.84x = 159,797.34 × 27,640.26 - Step 4: Simplify right side
106,530.84x = 4,416,840,024.91 - Step 5: Solve for x
x = 4,416,840,024.91/106,530.84 - Step 6: Final answer
x = 41,460.67
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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.