Finding the Fourth Proportional to 371,335.44, 512,299.36 and 210,153.52
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Solution
The fourth proportional to 371,335.44, 512,299.36 and 210,153.52 is: 289,930.62
Step by Step Solution
- Step 1: Write the proportion equation
371,335.44 : 512,299.36 = 210,153.52 : x - Step 2: Convert to fraction form
371,335.44/512,299.36 = 210,153.52/x - Step 3: Cross multiply
371,335.44x = 512,299.36 × 210,153.52 - Step 4: Simplify right side
371,335.44x = 107,661,513,797.75 - Step 5: Solve for x
x = 107,661,513,797.75/371,335.44 - Step 6: Final answer
x = 289,930.62
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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.