Finding the Fourth Proportional to 284,562.20, 425,921.70 and 201,618.20
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Solution
The fourth proportional to 284,562.20, 425,921.70 and 201,618.20 is: 301,774.33
Step by Step Solution
- Step 1: Write the proportion equation
284,562.20 : 425,921.70 = 201,618.20 : x - Step 2: Convert to fraction form
284,562.20/425,921.70 = 201,618.20/x - Step 3: Cross multiply
284,562.20x = 425,921.70 × 201,618.20 - Step 4: Simplify right side
284,562.20x = 85,873,566,494.94 - Step 5: Solve for x
x = 85,873,566,494.94/284,562.20 - Step 6: Final answer
x = 301,774.33
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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.