Finding the Fourth Proportional to 306,654.35, 423,183.02 and 170,685.37
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Solution
The fourth proportional to 306,654.35, 423,183.02 and 170,685.37 is: 235,545.82
Step by Step Solution
- Step 1: Write the proportion equation
306,654.35 : 423,183.02 = 170,685.37 : x - Step 2: Convert to fraction form
306,654.35/423,183.02 = 170,685.37/x - Step 3: Cross multiply
306,654.35x = 423,183.02 × 170,685.37 - Step 4: Simplify right side
306,654.35x = 72,231,150,773.13 - Step 5: Solve for x
x = 72,231,150,773.13/306,654.35 - Step 6: Final answer
x = 235,545.82
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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.