Finding the Fourth Proportional to 434,439.99, 599,502.42 and 253,181.43
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Solution
The fourth proportional to 434,439.99, 599,502.42 and 253,181.43 is: 349,375.94
Step by Step Solution
- Step 1: Write the proportion equation
434,439.99 : 599,502.42 = 253,181.43 : x - Step 2: Convert to fraction form
434,439.99/599,502.42 = 253,181.43/x - Step 3: Cross multiply
434,439.99x = 599,502.42 × 253,181.43 - Step 4: Simplify right side
434,439.99x = 151,782,879,984.06 - Step 5: Solve for x
x = 151,782,879,984.06/434,439.99 - Step 6: Final answer
x = 349,375.94
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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.