Finding the Fourth Proportional to 202,291.15, 303,546.08 and 89,988.70
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Solution
The fourth proportional to 202,291.15, 303,546.08 and 89,988.70 is: 135,031.70
Step by Step Solution
- Step 1: Write the proportion equation
202,291.15 : 303,546.08 = 89,988.70 : x - Step 2: Convert to fraction form
202,291.15/303,546.08 = 89,988.70/x - Step 3: Cross multiply
202,291.15x = 303,546.08 × 89,988.70 - Step 4: Simplify right side
202,291.15x = 27,315,717,129.30 - Step 5: Solve for x
x = 27,315,717,129.30/202,291.15 - Step 6: Final answer
x = 135,031.70
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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.