Finding the Fourth Proportional to 173,917.68, 260,918.88 and 53,971.68
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Solution
The fourth proportional to 173,917.68, 260,918.88 and 53,971.68 is: 80,970.67
Step by Step Solution
- Step 1: Write the proportion equation
173,917.68 : 260,918.88 = 53,971.68 : x - Step 2: Convert to fraction form
173,917.68/260,918.88 = 53,971.68/x - Step 3: Cross multiply
173,917.68x = 260,918.88 × 53,971.68 - Step 4: Simplify right side
173,917.68x = 14,082,230,297.32 - Step 5: Solve for x
x = 14,082,230,297.32/173,917.68 - Step 6: Final answer
x = 80,970.67
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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.