Finding the Fourth Proportional to 347,812.70, 521,719.05 and 170,665.70
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Solution
The fourth proportional to 347,812.70, 521,719.05 and 170,665.70 is: 255,998.55
Step by Step Solution
- Step 1: Write the proportion equation
347,812.70 : 521,719.05 = 170,665.70 : x - Step 2: Convert to fraction form
347,812.70/521,719.05 = 170,665.70/x - Step 3: Cross multiply
347,812.70x = 521,719.05 × 170,665.70 - Step 4: Simplify right side
347,812.70x = 89,039,546,871.59 - Step 5: Solve for x
x = 89,039,546,871.59/347,812.70 - Step 6: Final answer
x = 255,998.55
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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.