Finding the Fourth Proportional to 371,747.88, 513,016.74 and 201,984.84
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Solution
The fourth proportional to 371,747.88, 513,016.74 and 201,984.84 is: 278,741.61
Step by Step Solution
- Step 1: Write the proportion equation
371,747.88 : 513,016.74 = 201,984.84 : x - Step 2: Convert to fraction form
371,747.88/513,016.74 = 201,984.84/x - Step 3: Cross multiply
371,747.88x = 513,016.74 × 201,984.84 - Step 4: Simplify right side
371,747.88x = 103,621,604,146.22 - Step 5: Solve for x
x = 103,621,604,146.22/371,747.88 - Step 6: Final answer
x = 278,741.61
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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.