Finding the Fourth Proportional to 371,456.66, 512,610.86 and 201,690.79
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Solution
The fourth proportional to 371,456.66, 512,610.86 and 201,690.79 is: 278,333.65
Step by Step Solution
- Step 1: Write the proportion equation
371,456.66 : 512,610.86 = 201,690.79 : x - Step 2: Convert to fraction form
371,456.66/512,610.86 = 201,690.79/x - Step 3: Cross multiply
371,456.66x = 512,610.86 × 201,690.79 - Step 4: Simplify right side
371,456.66x = 103,388,889,315.98 - Step 5: Solve for x
x = 103,388,889,315.98/371,456.66 - Step 6: Final answer
x = 278,333.65
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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.