Finding the Fourth Proportional to 556,916.36, 835,240.70 and 257,108.97
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Solution
The fourth proportional to 556,916.36, 835,240.70 and 257,108.97 is: 385,601.67
Step by Step Solution
- Step 1: Write the proportion equation
556,916.36 : 835,240.70 = 257,108.97 : x - Step 2: Convert to fraction form
556,916.36/835,240.70 = 257,108.97/x - Step 3: Cross multiply
556,916.36x = 835,240.70 × 257,108.97 - Step 4: Simplify right side
556,916.36x = 214,747,874,793.53 - Step 5: Solve for x
x = 214,747,874,793.53/556,916.36 - Step 6: Final answer
x = 385,601.67
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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.