Finding the Fourth Proportional to 235,508.68, 324,998.62 and 128,079.60
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Solution
The fourth proportional to 235,508.68, 324,998.62 and 128,079.60 is: 176,748.02
Step by Step Solution
- Step 1: Write the proportion equation
235,508.68 : 324,998.62 = 128,079.60 : x - Step 2: Convert to fraction form
235,508.68/324,998.62 = 128,079.60/x - Step 3: Cross multiply
235,508.68x = 324,998.62 × 128,079.60 - Step 4: Simplify right side
235,508.68x = 41,625,693,250.15 - Step 5: Solve for x
x = 41,625,693,250.15/235,508.68 - Step 6: Final answer
x = 176,748.02
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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.