Finding the Fourth Proportional to 214,204.68, 295,595.46 and 129,306.96
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Solution
The fourth proportional to 214,204.68, 295,595.46 and 129,306.96 is: 178,439.38
Step by Step Solution
- Step 1: Write the proportion equation
214,204.68 : 295,595.46 = 129,306.96 : x - Step 2: Convert to fraction form
214,204.68/295,595.46 = 129,306.96/x - Step 3: Cross multiply
214,204.68x = 295,595.46 × 129,306.96 - Step 4: Simplify right side
214,204.68x = 38,222,550,322.40 - Step 5: Solve for x
x = 38,222,550,322.40/214,204.68 - Step 6: Final answer
x = 178,439.38
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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.