Finding the Fourth Proportional to 371,237.81, 512,315.84 and 210,092.82
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Solution
The fourth proportional to 371,237.81, 512,315.84 and 210,092.82 is: 289,932.43
Step by Step Solution
- Step 1: Write the proportion equation
371,237.81 : 512,315.84 = 210,092.82 : x - Step 2: Convert to fraction form
371,237.81/512,315.84 = 210,092.82/x - Step 3: Cross multiply
371,237.81x = 512,315.84 × 210,092.82 - Step 4: Simplify right side
371,237.81x = 107,633,878,505.81 - Step 5: Solve for x
x = 107,633,878,505.81/371,237.81 - Step 6: Final answer
x = 289,932.43
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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.