Finding the Fourth Proportional to 173,911.68, 260,909.88 and 53,965.68
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Solution
The fourth proportional to 173,911.68, 260,909.88 and 53,965.68 is: 80,961.66
Step by Step Solution
- Step 1: Write the proportion equation
173,911.68 : 260,909.88 = 53,965.68 : x - Step 2: Convert to fraction form
173,911.68/260,909.88 = 53,965.68/x - Step 3: Cross multiply
173,911.68x = 260,909.88 × 53,965.68 - Step 4: Simplify right side
173,911.68x = 14,080,179,092.92 - Step 5: Solve for x
x = 14,080,179,092.92/173,911.68 - Step 6: Final answer
x = 80,961.66
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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.