Finding the Fourth Proportional to 168,006.39, 251,922.08 and 79,236.06
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Solution
The fourth proportional to 168,006.39, 251,922.08 and 79,236.06 is: 118,812.82
Step by Step Solution
- Step 1: Write the proportion equation
168,006.39 : 251,922.08 = 79,236.06 : x - Step 2: Convert to fraction form
168,006.39/251,922.08 = 79,236.06/x - Step 3: Cross multiply
168,006.39x = 251,922.08 × 79,236.06 - Step 4: Simplify right side
168,006.39x = 19,961,311,786.59 - Step 5: Solve for x
x = 19,961,311,786.59/168,006.39 - Step 6: Final answer
x = 118,812.82
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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.