Finding the Fourth Proportional to 98,197.50, 135,512.55 and 53,485.50
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Solution
The fourth proportional to 98,197.50, 135,512.55 and 53,485.50 is: 73,809.99
Step by Step Solution
- Step 1: Write the proportion equation
98,197.50 : 135,512.55 = 53,485.50 : x - Step 2: Convert to fraction form
98,197.50/135,512.55 = 53,485.50/x - Step 3: Cross multiply
98,197.50x = 135,512.55 × 53,485.50 - Step 4: Simplify right side
98,197.50x = 7,247,956,493.03 - Step 5: Solve for x
x = 7,247,956,493.03/98,197.50 - Step 6: Final answer
x = 73,809.99
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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.