Finding the Fourth Proportional to 492,838.48, 739,257.72 and 193,460.05
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Solution
The fourth proportional to 492,838.48, 739,257.72 and 193,460.05 is: 290,190.08
Step by Step Solution
- Step 1: Write the proportion equation
492,838.48 : 739,257.72 = 193,460.05 : x - Step 2: Convert to fraction form
492,838.48/739,257.72 = 193,460.05/x - Step 3: Cross multiply
492,838.48x = 739,257.72 × 193,460.05 - Step 4: Simplify right side
492,838.48x = 143,016,835,474.09 - Step 5: Solve for x
x = 143,016,835,474.09/492,838.48 - Step 6: Final answer
x = 290,190.08
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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.