Finding the Fourth Proportional to 202,139.80, 303,209.70 and 108,827.80
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Solution
The fourth proportional to 202,139.80, 303,209.70 and 108,827.80 is: 163,241.70
Step by Step Solution
- Step 1: Write the proportion equation
202,139.80 : 303,209.70 = 108,827.80 : x - Step 2: Convert to fraction form
202,139.80/303,209.70 = 108,827.80/x - Step 3: Cross multiply
202,139.80x = 303,209.70 × 108,827.80 - Step 4: Simplify right side
202,139.80x = 32,997,644,589.66 - Step 5: Solve for x
x = 32,997,644,589.66/202,139.80 - Step 6: Final answer
x = 163,241.70
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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.