Finding the Fourth Proportional to 274,919.62, 412,445.04 and 97,442.14
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Solution
The fourth proportional to 274,919.62, 412,445.04 and 97,442.14 is: 146,186.46
Step by Step Solution
- Step 1: Write the proportion equation
274,919.62 : 412,445.04 = 97,442.14 : x - Step 2: Convert to fraction form
274,919.62/412,445.04 = 97,442.14/x - Step 3: Cross multiply
274,919.62x = 412,445.04 × 97,442.14 - Step 4: Simplify right side
274,919.62x = 40,189,527,329.99 - Step 5: Solve for x
x = 40,189,527,329.99/274,919.62 - Step 6: Final answer
x = 146,186.46
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1.5x scale
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.