Finding the Fourth Proportional to 163,409.60, 245,344.80 and 101,201.60
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Solution
The fourth proportional to 163,409.60, 245,344.80 and 101,201.60 is: 151,945.09
Step by Step Solution
- Step 1: Write the proportion equation
163,409.60 : 245,344.80 = 101,201.60 : x - Step 2: Convert to fraction form
163,409.60/245,344.80 = 101,201.60/x - Step 3: Cross multiply
163,409.60x = 245,344.80 × 101,201.60 - Step 4: Simplify right side
163,409.60x = 24,829,286,311.68 - Step 5: Solve for x
x = 24,829,286,311.68/163,409.60 - Step 6: Final answer
x = 151,945.09
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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.