Finding the Fourth Proportional to 572,174.12, 858,261.90 and 198,197.08
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Solution
The fourth proportional to 572,174.12, 858,261.90 and 198,197.08 is: 297,295.87
Step by Step Solution
- Step 1: Write the proportion equation
572,174.12 : 858,261.90 = 198,197.08 : x - Step 2: Convert to fraction form
572,174.12/858,261.90 = 198,197.08/x - Step 3: Cross multiply
572,174.12x = 858,261.90 × 198,197.08 - Step 4: Simplify right side
572,174.12x = 170,105,002,455.25 - Step 5: Solve for x
x = 170,105,002,455.25/572,174.12 - Step 6: Final answer
x = 297,295.87
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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.