Finding the Fourth Proportional to 371,240.16, 512,313.12 and 201,474.48
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Solution
The fourth proportional to 371,240.16, 512,313.12 and 201,474.48 is: 278,035.70
Step by Step Solution
- Step 1: Write the proportion equation
371,240.16 : 512,313.12 = 201,474.48 : x - Step 2: Convert to fraction form
371,240.16/512,313.12 = 201,474.48/x - Step 3: Cross multiply
371,240.16x = 512,313.12 × 201,474.48 - Step 4: Simplify right side
371,240.16x = 103,218,019,449.18 - Step 5: Solve for x
x = 103,218,019,449.18/371,240.16 - Step 6: Final answer
x = 278,035.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.