Finding the Fourth Proportional to 308,533.74, 425,650.95 and 201,064.62
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Solution
The fourth proportional to 308,533.74, 425,650.95 and 201,064.62 is: 277,387.32
Step by Step Solution
- Step 1: Write the proportion equation
308,533.74 : 425,650.95 = 201,064.62 : x - Step 2: Convert to fraction form
308,533.74/425,650.95 = 201,064.62/x - Step 3: Cross multiply
308,533.74x = 425,650.95 × 201,064.62 - Step 4: Simplify right side
308,533.74x = 85,583,346,514.39 - Step 5: Solve for x
x = 85,583,346,514.39/308,533.74 - Step 6: Final answer
x = 277,387.32
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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.