Finding the Fourth Proportional to 198,299.64, 297,405.70 and 58,069.20
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Solution
The fourth proportional to 198,299.64, 297,405.70 and 58,069.20 is: 87,090.99
Step by Step Solution
- Step 1: Write the proportion equation
198,299.64 : 297,405.70 = 58,069.20 : x - Step 2: Convert to fraction form
198,299.64/297,405.70 = 58,069.20/x - Step 3: Cross multiply
198,299.64x = 297,405.70 × 58,069.20 - Step 4: Simplify right side
198,299.64x = 17,270,111,074.44 - Step 5: Solve for x
x = 17,270,111,074.44/198,299.64 - Step 6: Final answer
x = 87,090.99
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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.