Finding the Fourth Proportional to 371,855.21, 557,561.07 and 147,247.88
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Solution
The fourth proportional to 371,855.21, 557,561.07 and 147,247.88 is: 220,784.01
Step by Step Solution
- Step 1: Write the proportion equation
371,855.21 : 557,561.07 = 147,247.88 : x - Step 2: Convert to fraction form
371,855.21/557,561.07 = 147,247.88/x - Step 3: Cross multiply
371,855.21x = 557,561.07 × 147,247.88 - Step 4: Simplify right side
371,855.21x = 82,099,682,740.23 - Step 5: Solve for x
x = 82,099,682,740.23/371,855.21 - Step 6: Final answer
x = 220,784.01
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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.