Finding the Fourth Proportional to 198,518.58, 297,713.84 and 65,367.18
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Solution
The fourth proportional to 198,518.58, 297,713.84 and 65,367.18 is: 98,029.68
Step by Step Solution
- Step 1: Write the proportion equation
198,518.58 : 297,713.84 = 65,367.18 : x - Step 2: Convert to fraction form
198,518.58/297,713.84 = 65,367.18/x - Step 3: Cross multiply
198,518.58x = 297,713.84 × 65,367.18 - Step 4: Simplify right side
198,518.58x = 19,460,712,842.62 - Step 5: Solve for x
x = 19,460,712,842.62/198,518.58 - Step 6: Final answer
x = 98,029.68
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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.