Finding the Fourth Proportional to 282,337.92, 389,639.04 and 169,158.24
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Solution
The fourth proportional to 282,337.92, 389,639.04 and 169,158.24 is: 233,445.99
Step by Step Solution
- Step 1: Write the proportion equation
282,337.92 : 389,639.04 = 169,158.24 : x - Step 2: Convert to fraction form
282,337.92/389,639.04 = 169,158.24/x - Step 3: Cross multiply
282,337.92x = 389,639.04 × 169,158.24 - Step 4: Simplify right side
282,337.92x = 65,910,654,241.69 - Step 5: Solve for x
x = 65,910,654,241.69/282,337.92 - Step 6: Final answer
x = 233,445.99
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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.