Finding the Fourth Proportional to 453,910.70, 680,866.05 and 121,486.70
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Solution
The fourth proportional to 453,910.70, 680,866.05 and 121,486.70 is: 182,230.05
Step by Step Solution
- Step 1: Write the proportion equation
453,910.70 : 680,866.05 = 121,486.70 : x - Step 2: Convert to fraction form
453,910.70/680,866.05 = 121,486.70/x - Step 3: Cross multiply
453,910.70x = 680,866.05 × 121,486.70 - Step 4: Simplify right side
453,910.70x = 82,716,169,556.54 - Step 5: Solve for x
x = 82,716,169,556.54/453,910.70 - Step 6: Final answer
x = 182,230.05
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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.