Finding the Fourth Proportional to 299,193.21, 448,474.77 and 99,459.99
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Solution
The fourth proportional to 299,193.21, 448,474.77 and 99,459.99 is: 149,085.25
Step by Step Solution
- Step 1: Write the proportion equation
299,193.21 : 448,474.77 = 99,459.99 : x - Step 2: Convert to fraction form
299,193.21/448,474.77 = 99,459.99/x - Step 3: Cross multiply
299,193.21x = 448,474.77 × 99,459.99 - Step 4: Simplify right side
299,193.21x = 44,605,295,642.15 - Step 5: Solve for x
x = 44,605,295,642.15/299,193.21 - Step 6: Final answer
x = 149,085.25
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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.