Finding the Fourth Proportional to 198,482.40, 297,718.80 and 119,536.80
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Solution
The fourth proportional to 198,482.40, 297,718.80 and 119,536.80 is: 179,302.31
Step by Step Solution
- Step 1: Write the proportion equation
198,482.40 : 297,718.80 = 119,536.80 : x - Step 2: Convert to fraction form
198,482.40/297,718.80 = 119,536.80/x - Step 3: Cross multiply
198,482.40x = 297,718.80 × 119,536.80 - Step 4: Simplify right side
198,482.40x = 35,588,352,651.84 - Step 5: Solve for x
x = 35,588,352,651.84/198,482.40 - Step 6: Final answer
x = 179,302.31
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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.