Finding the Fourth Proportional to 276,543.60, 414,523.80 and 107,998.80
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Solution
The fourth proportional to 276,543.60, 414,523.80 and 107,998.80 is: 161,884.32
Step by Step Solution
- Step 1: Write the proportion equation
276,543.60 : 414,523.80 = 107,998.80 : x - Step 2: Convert to fraction form
276,543.60/414,523.80 = 107,998.80/x - Step 3: Cross multiply
276,543.60x = 414,523.80 × 107,998.80 - Step 4: Simplify right side
276,543.60x = 44,768,072,971.44 - Step 5: Solve for x
x = 44,768,072,971.44/276,543.60 - Step 6: Final answer
x = 161,884.32
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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.