Finding the Fourth Proportional to 668,245.92, 922,221.36 and 366,439.92
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Solution
The fourth proportional to 668,245.92, 922,221.36 and 366,439.92 is: 505,710.12
Step by Step Solution
- Step 1: Write the proportion equation
668,245.92 : 922,221.36 = 366,439.92 : x - Step 2: Convert to fraction form
668,245.92/922,221.36 = 366,439.92/x - Step 3: Cross multiply
668,245.92x = 922,221.36 × 366,439.92 - Step 4: Simplify right side
668,245.92x = 337,938,721,380.69 - Step 5: Solve for x
x = 337,938,721,380.69/668,245.92 - Step 6: Final answer
x = 505,710.12
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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.