Finding the Fourth Proportional to 492,865.29, 739,324.84 and 155,880.79
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Solution
The fourth proportional to 492,865.29, 739,324.84 and 155,880.79 is: 233,829.69
Step by Step Solution
- Step 1: Write the proportion equation
492,865.29 : 739,324.84 = 155,880.79 : x - Step 2: Convert to fraction form
492,865.29/739,324.84 = 155,880.79/x - Step 3: Cross multiply
492,865.29x = 739,324.84 × 155,880.79 - Step 4: Simplify right side
492,865.29x = 115,246,540,125.82 - Step 5: Solve for x
x = 115,246,540,125.82/492,865.29 - Step 6: Final answer
x = 233,829.69
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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.