Finding the Fourth Proportional to 259,487.62, 388,997.19 and 93,236.74
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Solution
The fourth proportional to 259,487.62, 388,997.19 and 93,236.74 is: 139,770.95
Step by Step Solution
- Step 1: Write the proportion equation
259,487.62 : 388,997.19 = 93,236.74 : x - Step 2: Convert to fraction form
259,487.62/388,997.19 = 93,236.74/x - Step 3: Cross multiply
259,487.62x = 388,997.19 × 93,236.74 - Step 4: Simplify right side
259,487.62x = 36,268,829,864.76 - Step 5: Solve for x
x = 36,268,829,864.76/259,487.62 - Step 6: Final answer
x = 139,770.95
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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.