Finding the Fourth Proportional to 299,123.18, 448,684.96 and 88,759.26
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Solution
The fourth proportional to 299,123.18, 448,684.96 and 88,759.26 is: 133,138.95
Step by Step Solution
- Step 1: Write the proportion equation
299,123.18 : 448,684.96 = 88,759.26 : x - Step 2: Convert to fraction form
299,123.18/448,684.96 = 88,759.26/x - Step 3: Cross multiply
299,123.18x = 448,684.96 × 88,759.26 - Step 4: Simplify right side
299,123.18x = 39,824,945,022.73 - Step 5: Solve for x
x = 39,824,945,022.73/299,123.18 - Step 6: Final answer
x = 133,138.95
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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.