Finding the Fourth Proportional to 330,754.68, 496,132.02 and 81,436.68
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Solution
The fourth proportional to 330,754.68, 496,132.02 and 81,436.68 is: 122,155.02
Step by Step Solution
- Step 1: Write the proportion equation
330,754.68 : 496,132.02 = 81,436.68 : x - Step 2: Convert to fraction form
330,754.68/496,132.02 = 81,436.68/x - Step 3: Cross multiply
330,754.68x = 496,132.02 × 81,436.68 - Step 4: Simplify right side
330,754.68x = 40,403,344,550.49 - Step 5: Solve for x
x = 40,403,344,550.49/330,754.68 - Step 6: Final answer
x = 122,155.02
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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.