Finding the Fourth Proportional to 427,544.91, 590,008.19 and 255,453.53
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Solution
The fourth proportional to 427,544.91, 590,008.19 and 255,453.53 is: 352,523.60
Step by Step Solution
- Step 1: Write the proportion equation
427,544.91 : 590,008.19 = 255,453.53 : x - Step 2: Convert to fraction form
427,544.91/590,008.19 = 255,453.53/x - Step 3: Cross multiply
427,544.91x = 590,008.19 × 255,453.53 - Step 4: Simplify right side
427,544.91x = 150,719,670,637.10 - Step 5: Solve for x
x = 150,719,670,637.10/427,544.91 - Step 6: Final answer
x = 352,523.60
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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.