Finding the Fourth Proportional to 370,356.96, 555,604.56 and 121,213.92
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Solution
The fourth proportional to 370,356.96, 555,604.56 and 121,213.92 is: 181,843.50
Step by Step Solution
- Step 1: Write the proportion equation
370,356.96 : 555,604.56 = 121,213.92 : x - Step 2: Convert to fraction form
370,356.96/555,604.56 = 121,213.92/x - Step 3: Cross multiply
370,356.96x = 555,604.56 × 121,213.92 - Step 4: Simplify right side
370,356.96x = 67,347,006,687.48 - Step 5: Solve for x
x = 67,347,006,687.48/370,356.96 - Step 6: Final answer
x = 181,843.50
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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.