Finding the Fourth Proportional to 202,388.10, 303,668.55 and 97,152.90
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Solution
The fourth proportional to 202,388.10, 303,668.55 and 97,152.90 is: 145,770.82
Step by Step Solution
- Step 1: Write the proportion equation
202,388.10 : 303,668.55 = 97,152.90 : x - Step 2: Convert to fraction form
202,388.10/303,668.55 = 97,152.90/x - Step 3: Cross multiply
202,388.10x = 303,668.55 × 97,152.90 - Step 4: Simplify right side
202,388.10x = 29,502,280,271.30 - Step 5: Solve for x
x = 29,502,280,271.30/202,388.10 - Step 6: Final answer
x = 145,770.82
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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.