Finding the Fourth Proportional to 427,759.26, 590,267.37 and 255,642.99
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Solution
The fourth proportional to 427,759.26, 590,267.37 and 255,642.99 is: 352,763.18
Step by Step Solution
- Step 1: Write the proportion equation
427,759.26 : 590,267.37 = 255,642.99 : x - Step 2: Convert to fraction form
427,759.26/590,267.37 = 255,642.99/x - Step 3: Cross multiply
427,759.26x = 590,267.37 × 255,642.99 - Step 4: Simplify right side
427,759.26x = 150,897,715,366.24 - Step 5: Solve for x
x = 150,897,715,366.24/427,759.26 - Step 6: Final answer
x = 352,763.18
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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.