Finding the Fourth Proportional to 135,301.70, 202,965.35 and 36,805.70
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Solution
The fourth proportional to 135,301.70, 202,965.35 and 36,805.70 is: 55,212.03
Step by Step Solution
- Step 1: Write the proportion equation
135,301.70 : 202,965.35 = 36,805.70 : x - Step 2: Convert to fraction form
135,301.70/202,965.35 = 36,805.70/x - Step 3: Cross multiply
135,301.70x = 202,965.35 × 36,805.70 - Step 4: Simplify right side
135,301.70x = 7,470,281,782.50 - Step 5: Solve for x
x = 7,470,281,782.50/135,301.70 - Step 6: Final answer
x = 55,212.03
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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.