Finding the Fourth Proportional to 203,203.26, 280,422.75 and 112,560.62
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Solution
The fourth proportional to 203,203.26, 280,422.75 and 112,560.62 is: 155,334.90
Step by Step Solution
- Step 1: Write the proportion equation
203,203.26 : 280,422.75 = 112,560.62 : x - Step 2: Convert to fraction form
203,203.26/280,422.75 = 112,560.62/x - Step 3: Cross multiply
203,203.26x = 280,422.75 × 112,560.62 - Step 4: Simplify right side
203,203.26x = 31,564,557,199.99 - Step 5: Solve for x
x = 31,564,557,199.99/203,203.26 - Step 6: Final answer
x = 155,334.90
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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.