Finding the Fourth Proportional to 298,475.49, 447,761.84 and 88,134.69
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Solution
The fourth proportional to 298,475.49, 447,761.84 and 88,134.69 is: 132,216.39
Step by Step Solution
- Step 1: Write the proportion equation
298,475.49 : 447,761.84 = 88,134.69 : x - Step 2: Convert to fraction form
298,475.49/447,761.84 = 88,134.69/x - Step 3: Cross multiply
298,475.49x = 447,761.84 × 88,134.69 - Step 4: Simplify right side
298,475.49x = 39,463,350,962.23 - Step 5: Solve for x
x = 39,463,350,962.23/298,475.49 - Step 6: Final answer
x = 132,216.39
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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.