Finding the Fourth Proportional to 98,210.44, 135,524.02 and 57,914.96
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Solution
The fourth proportional to 98,210.44, 135,524.02 and 57,914.96 is: 79,918.88
Step by Step Solution
- Step 1: Write the proportion equation
98,210.44 : 135,524.02 = 57,914.96 : x - Step 2: Convert to fraction form
98,210.44/135,524.02 = 57,914.96/x - Step 3: Cross multiply
98,210.44x = 135,524.02 × 57,914.96 - Step 4: Simplify right side
98,210.44x = 7,848,868,197.34 - Step 5: Solve for x
x = 7,848,868,197.34/98,210.44 - Step 6: Final answer
x = 79,918.88
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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.