Finding the Fourth Proportional to 203,195.93, 280,426.17 and 112,560.32
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Solution
The fourth proportional to 203,195.93, 280,426.17 and 112,560.32 is: 155,341.99
Step by Step Solution
- Step 1: Write the proportion equation
203,195.93 : 280,426.17 = 112,560.32 : x - Step 2: Convert to fraction form
203,195.93/280,426.17 = 112,560.32/x - Step 3: Cross multiply
203,195.93x = 280,426.17 × 112,560.32 - Step 4: Simplify right side
203,195.93x = 31,564,859,431.57 - Step 5: Solve for x
x = 31,564,859,431.57/203,195.93 - Step 6: Final answer
x = 155,341.99
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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.