Finding the Fourth Proportional to 198,012.12, 297,013.26 and 57,771.96
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Solution
The fourth proportional to 198,012.12, 297,013.26 and 57,771.96 is: 86,656.50
Step by Step Solution
- Step 1: Write the proportion equation
198,012.12 : 297,013.26 = 57,771.96 : x - Step 2: Convert to fraction form
198,012.12/297,013.26 = 57,771.96/x - Step 3: Cross multiply
198,012.12x = 297,013.26 × 57,771.96 - Step 4: Simplify right side
198,012.12x = 17,159,038,176.19 - Step 5: Solve for x
x = 17,159,038,176.19/198,012.12 - Step 6: Final answer
x = 86,656.50
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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.