Finding the Fourth Proportional to 306,022.24, 422,360.79 and 254,953.99
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Solution
The fourth proportional to 306,022.24, 422,360.79 and 254,953.99 is: 351,878.24
Step by Step Solution
- Step 1: Write the proportion equation
306,022.24 : 422,360.79 = 254,953.99 : x - Step 2: Convert to fraction form
306,022.24/422,360.79 = 254,953.99/x - Step 3: Cross multiply
306,022.24x = 422,360.79 × 254,953.99 - Step 4: Simplify right side
306,022.24x = 107,682,566,518.25 - Step 5: Solve for x
x = 107,682,566,518.25/306,022.24 - Step 6: Final answer
x = 351,878.24
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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.