Finding the Fourth Proportional to 235,387.08, 324,861.36 and 139,892.92
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Solution
The fourth proportional to 235,387.08, 324,861.36 and 139,892.92 is: 193,068.39
Step by Step Solution
- Step 1: Write the proportion equation
235,387.08 : 324,861.36 = 139,892.92 : x - Step 2: Convert to fraction form
235,387.08/324,861.36 = 139,892.92/x - Step 3: Cross multiply
235,387.08x = 324,861.36 × 139,892.92 - Step 4: Simplify right side
235,387.08x = 45,445,804,245.57 - Step 5: Solve for x
x = 45,445,804,245.57/235,387.08 - Step 6: Final answer
x = 193,068.39
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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.