Finding the Fourth Proportional to 212,388.99, 292,464.99 and 207,674.79
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Solution
The fourth proportional to 212,388.99, 292,464.99 and 207,674.79 is: 285,973.42
Step by Step Solution
- Step 1: Write the proportion equation
212,388.99 : 292,464.99 = 207,674.79 : x - Step 2: Convert to fraction form
212,388.99/292,464.99 = 207,674.79/x - Step 3: Cross multiply
212,388.99x = 292,464.99 × 207,674.79 - Step 4: Simplify right side
212,388.99x = 60,737,605,380.60 - Step 5: Solve for x
x = 60,737,605,380.60/212,388.99 - Step 6: Final answer
x = 285,973.42
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.