Finding the Fourth Proportional to 372,191.04, 513,608.88 and 202,425.12
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Solution
The fourth proportional to 372,191.04, 513,608.88 and 202,425.12 is: 279,338.64
Step by Step Solution
- Step 1: Write the proportion equation
372,191.04 : 513,608.88 = 202,425.12 : x - Step 2: Convert to fraction form
372,191.04/513,608.88 = 202,425.12/x - Step 3: Cross multiply
372,191.04x = 513,608.88 × 202,425.12 - Step 4: Simplify right side
372,191.04x = 103,967,339,167.07 - Step 5: Solve for x
x = 103,967,339,167.07/372,191.04 - Step 6: Final answer
x = 279,338.64
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1.5x scale
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.