Finding the Fourth Proportional to 198,463.17, 297,743.36 and 98,670.36
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Solution
The fourth proportional to 198,463.17, 297,743.36 and 98,670.36 is: 148,029.70
Step by Step Solution
- Step 1: Write the proportion equation
198,463.17 : 297,743.36 = 98,670.36 : x - Step 2: Convert to fraction form
198,463.17/297,743.36 = 98,670.36/x - Step 3: Cross multiply
198,463.17x = 297,743.36 × 98,670.36 - Step 4: Simplify right side
198,463.17x = 29,378,444,025.46 - Step 5: Solve for x
x = 29,378,444,025.46/198,463.17 - Step 6: Final answer
x = 148,029.70
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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.