Finding the Fourth Proportional to 204,552.96, 306,822.15 and 71,432.70
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Solution
The fourth proportional to 204,552.96, 306,822.15 and 71,432.70 is: 107,146.50
Step by Step Solution
- Step 1: Write the proportion equation
204,552.96 : 306,822.15 = 71,432.70 : x - Step 2: Convert to fraction form
204,552.96/306,822.15 = 71,432.70/x - Step 3: Cross multiply
204,552.96x = 306,822.15 × 71,432.70 - Step 4: Simplify right side
204,552.96x = 21,917,134,594.31 - Step 5: Solve for x
x = 21,917,134,594.31/204,552.96 - Step 6: Final answer
x = 107,146.50
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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.