Finding the Fourth Proportional to 347,816.70, 521,725.05 and 170,669.70
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Solution
The fourth proportional to 347,816.70, 521,725.05 and 170,669.70 is: 256,004.55
Step by Step Solution
- Step 1: Write the proportion equation
347,816.70 : 521,725.05 = 170,669.70 : x - Step 2: Convert to fraction form
347,816.70/521,725.05 = 170,669.70/x - Step 3: Cross multiply
347,816.70x = 521,725.05 × 170,669.70 - Step 4: Simplify right side
347,816.70x = 89,042,657,765.99 - Step 5: Solve for x
x = 89,042,657,765.99/347,816.70 - Step 6: Final answer
x = 256,004.55
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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.