Finding the Fourth Proportional to 198,795.94, 297,985.66 and 97,454.00
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Solution
The fourth proportional to 198,795.94, 297,985.66 and 97,454.00 is: 146,078.92
Step by Step Solution
- Step 1: Write the proportion equation
198,795.94 : 297,985.66 = 97,454.00 : x - Step 2: Convert to fraction form
198,795.94/297,985.66 = 97,454.00/x - Step 3: Cross multiply
198,795.94x = 297,985.66 × 97,454.00 - Step 4: Simplify right side
198,795.94x = 29,039,895,010.97 - Step 5: Solve for x
x = 29,039,895,010.97/198,795.94 - Step 6: Final answer
x = 146,078.92
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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.