Finding the Fourth Proportional to 225,157.24, 338,122.64 and 199,913.59
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Solution
The fourth proportional to 225,157.24, 338,122.64 and 199,913.59 is: 300,213.80
Step by Step Solution
- Step 1: Write the proportion equation
225,157.24 : 338,122.64 = 199,913.59 : x - Step 2: Convert to fraction form
225,157.24/338,122.64 = 199,913.59/x - Step 3: Cross multiply
225,157.24x = 338,122.64 × 199,913.59 - Step 4: Simplify right side
225,157.24x = 67,595,310,822.68 - Step 5: Solve for x
x = 67,595,310,822.68/225,157.24 - Step 6: Final answer
x = 300,213.80
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1.5x scale
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.