Finding the Fourth Proportional to 371,161.54, 512,202.99 and 210,013.36
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Solution
The fourth proportional to 371,161.54, 512,202.99 and 210,013.36 is: 289,818.47
Step by Step Solution
- Step 1: Write the proportion equation
371,161.54 : 512,202.99 = 210,013.36 : x - Step 2: Convert to fraction form
371,161.54/512,202.99 = 210,013.36/x - Step 3: Cross multiply
371,161.54x = 512,202.99 × 210,013.36 - Step 4: Simplify right side
371,161.54x = 107,569,470,438.99 - Step 5: Solve for x
x = 107,569,470,438.99/371,161.54 - Step 6: Final answer
x = 289,818.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.