Finding the Fourth Proportional to 453,896.70, 680,845.05 and 121,472.70
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Solution
The fourth proportional to 453,896.70, 680,845.05 and 121,472.70 is: 182,209.05
Step by Step Solution
- Step 1: Write the proportion equation
453,896.70 : 680,845.05 = 121,472.70 : x - Step 2: Convert to fraction form
453,896.70/680,845.05 = 121,472.70/x - Step 3: Cross multiply
453,896.70x = 680,845.05 × 121,472.70 - Step 4: Simplify right side
453,896.70x = 82,704,086,505.14 - Step 5: Solve for x
x = 82,704,086,505.14/453,896.70 - Step 6: Final answer
x = 182,209.05
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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.