Finding the Fourth Proportional to 350,672.20, 525,230.70 and 140,201.80
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Solution
The fourth proportional to 350,672.20, 525,230.70 and 140,201.80 is: 209,991.81
Step by Step Solution
- Step 1: Write the proportion equation
350,672.20 : 525,230.70 = 140,201.80 : x - Step 2: Convert to fraction form
350,672.20/525,230.70 = 140,201.80/x - Step 3: Cross multiply
350,672.20x = 525,230.70 × 140,201.80 - Step 4: Simplify right side
350,672.20x = 73,638,289,555.26 - Step 5: Solve for x
x = 73,638,289,555.26/350,672.20 - Step 6: Final answer
x = 209,991.81
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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.