Finding the Fourth Proportional to 252,236.52, 378,356.12 and 74,745.08
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Solution
The fourth proportional to 252,236.52, 378,356.12 and 74,745.08 is: 112,118.02
Step by Step Solution
- Step 1: Write the proportion equation
252,236.52 : 378,356.12 = 74,745.08 : x - Step 2: Convert to fraction form
252,236.52/378,356.12 = 74,745.08/x - Step 3: Cross multiply
252,236.52x = 378,356.12 × 74,745.08 - Step 4: Simplify right side
252,236.52x = 28,280,258,457.89 - Step 5: Solve for x
x = 28,280,258,457.89/252,236.52 - Step 6: Final answer
x = 112,118.02
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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.