Finding the Fourth Proportional to 202,355.20, 303,432.36 and 69,197.68
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Solution
The fourth proportional to 202,355.20, 303,432.36 and 69,197.68 is: 103,762.17
Step by Step Solution
- Step 1: Write the proportion equation
202,355.20 : 303,432.36 = 69,197.68 : x - Step 2: Convert to fraction form
202,355.20/303,432.36 = 69,197.68/x - Step 3: Cross multiply
202,355.20x = 303,432.36 × 69,197.68 - Step 4: Simplify right side
202,355.20x = 20,996,815,348.92 - Step 5: Solve for x
x = 20,996,815,348.92/202,355.20 - Step 6: Final answer
x = 103,762.17
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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.