Finding the Fourth Proportional to 315,316.24, 435,150.60 and 177,542.62
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Solution
The fourth proportional to 315,316.24, 435,150.60 and 177,542.62 is: 245,016.80
Step by Step Solution
- Step 1: Write the proportion equation
315,316.24 : 435,150.60 = 177,542.62 : x - Step 2: Convert to fraction form
315,316.24/435,150.60 = 177,542.62/x - Step 3: Cross multiply
315,316.24x = 435,150.60 × 177,542.62 - Step 4: Simplify right side
315,316.24x = 77,257,777,618.57 - Step 5: Solve for x
x = 77,257,777,618.57/315,316.24 - Step 6: Final answer
x = 245,016.80
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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.