Finding the Fourth Proportional to 372,447.84, 513,988.74 and 202,692.72
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Solution
The fourth proportional to 372,447.84, 513,988.74 and 202,692.72 is: 279,721.79
Step by Step Solution
- Step 1: Write the proportion equation
372,447.84 : 513,988.74 = 202,692.72 : x - Step 2: Convert to fraction form
372,447.84/513,988.74 = 202,692.72/x - Step 3: Cross multiply
372,447.84x = 513,988.74 × 202,692.72 - Step 4: Simplify right side
372,447.84x = 104,181,775,759.97 - Step 5: Solve for x
x = 104,181,775,759.97/372,447.84 - Step 6: Final answer
x = 279,721.79
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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.