Finding the Fourth Proportional to 202,638.63, 303,911.47 and 76,292.00
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Solution
The fourth proportional to 202,638.63, 303,911.47 and 76,292.00 is: 114,420.49
Step by Step Solution
- Step 1: Write the proportion equation
202,638.63 : 303,911.47 = 76,292.00 : x - Step 2: Convert to fraction form
202,638.63/303,911.47 = 76,292.00/x - Step 3: Cross multiply
202,638.63x = 303,911.47 × 76,292.00 - Step 4: Simplify right side
202,638.63x = 23,186,012,158.95 - Step 5: Solve for x
x = 23,186,012,158.95/202,638.63 - Step 6: Final answer
x = 114,420.49
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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.