Finding the Fourth Proportional to 189,142.95, 283,724.14 and 48,902.79
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Solution
The fourth proportional to 189,142.95, 283,724.14 and 48,902.79 is: 73,356.70
Step by Step Solution
- Step 1: Write the proportion equation
189,142.95 : 283,724.14 = 48,902.79 : x - Step 2: Convert to fraction form
189,142.95/283,724.14 = 48,902.79/x - Step 3: Cross multiply
189,142.95x = 283,724.14 × 48,902.79 - Step 4: Simplify right side
189,142.95x = 13,874,902,036.35 - Step 5: Solve for x
x = 13,874,902,036.35/189,142.95 - Step 6: Final answer
x = 73,356.70
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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.