Finding the Fourth Proportional to 268,745.92, 370,861.48 and 147,887.12
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Solution
The fourth proportional to 268,745.92, 370,861.48 and 147,887.12 is: 204,079.88
Step by Step Solution
- Step 1: Write the proportion equation
268,745.92 : 370,861.48 = 147,887.12 : x - Step 2: Convert to fraction form
268,745.92/370,861.48 = 147,887.12/x - Step 3: Cross multiply
268,745.92x = 370,861.48 × 147,887.12 - Step 4: Simplify right side
268,745.92x = 54,845,636,196.14 - Step 5: Solve for x
x = 54,845,636,196.14/268,745.92 - Step 6: Final answer
x = 204,079.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.