Finding the Fourth Proportional to 109,083.49, 163,625.46 and 30,197.95
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Solution
The fourth proportional to 109,083.49, 163,625.46 and 30,197.95 is: 45,296.99
Step by Step Solution
- Step 1: Write the proportion equation
109,083.49 : 163,625.46 = 30,197.95 : x - Step 2: Convert to fraction form
109,083.49/163,625.46 = 30,197.95/x - Step 3: Cross multiply
109,083.49x = 163,625.46 × 30,197.95 - Step 4: Simplify right side
109,083.49x = 4,941,153,459.81 - Step 5: Solve for x
x = 4,941,153,459.81/109,083.49 - Step 6: Final answer
x = 45,296.99
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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.