Finding the Fourth Proportional to 371,743.88, 513,011.22 and 201,980.84
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Solution
The fourth proportional to 371,743.88, 513,011.22 and 201,980.84 is: 278,736.09
Step by Step Solution
- Step 1: Write the proportion equation
371,743.88 : 513,011.22 = 201,980.84 : x - Step 2: Convert to fraction form
371,743.88/513,011.22 = 201,980.84/x - Step 3: Cross multiply
371,743.88x = 513,011.22 × 201,980.84 - Step 4: Simplify right side
371,743.88x = 103,618,437,145.03 - Step 5: Solve for x
x = 103,618,437,145.03/371,743.88 - Step 6: Final answer
x = 278,736.09
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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.