Finding the Fourth Proportional to 198,115.84, 297,171.42 and 92,860.48
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Solution
The fourth proportional to 198,115.84, 297,171.42 and 92,860.48 is: 139,289.62
Step by Step Solution
- Step 1: Write the proportion equation
198,115.84 : 297,171.42 = 92,860.48 : x - Step 2: Convert to fraction form
198,115.84/297,171.42 = 92,860.48/x - Step 3: Cross multiply
198,115.84x = 297,171.42 × 92,860.48 - Step 4: Simplify right side
198,115.84x = 27,595,480,703.48 - Step 5: Solve for x
x = 27,595,480,703.48/198,115.84 - Step 6: Final answer
x = 139,289.62
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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.