Finding the Fourth Proportional to 372,378.26, 558,129.99 and 172,275.96
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Solution
The fourth proportional to 372,378.26, 558,129.99 and 172,275.96 is: 258,211.59
Step by Step Solution
- Step 1: Write the proportion equation
372,378.26 : 558,129.99 = 172,275.96 : x - Step 2: Convert to fraction form
372,378.26/558,129.99 = 172,275.96/x - Step 3: Cross multiply
372,378.26x = 558,129.99 × 172,275.96 - Step 4: Simplify right side
372,378.26x = 96,152,382,571.06 - Step 5: Solve for x
x = 96,152,382,571.06/372,378.26 - Step 6: Final answer
x = 258,211.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.