Finding the Fourth Proportional to 198,356.60, 297,534.84 and 58,115.18
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Solution
The fourth proportional to 198,356.60, 297,534.84 and 58,115.18 is: 87,172.75
Step by Step Solution
- Step 1: Write the proportion equation
198,356.60 : 297,534.84 = 58,115.18 : x - Step 2: Convert to fraction form
198,356.60/297,534.84 = 58,115.18/x - Step 3: Cross multiply
198,356.60x = 297,534.84 × 58,115.18 - Step 4: Simplify right side
198,356.60x = 17,291,290,782.87 - Step 5: Solve for x
x = 17,291,290,782.87/198,356.60 - Step 6: Final answer
x = 87,172.75
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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.