Finding the Fourth Proportional to 203,542.68, 280,887.04 and 112,898.84
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Solution
The fourth proportional to 203,542.68, 280,887.04 and 112,898.84 is: 155,799.37
Step by Step Solution
- Step 1: Write the proportion equation
203,542.68 : 280,887.04 = 112,898.84 : x - Step 2: Convert to fraction form
203,542.68/280,887.04 = 112,898.84/x - Step 3: Cross multiply
203,542.68x = 280,887.04 × 112,898.84 - Step 4: Simplify right side
203,542.68x = 31,711,820,987.03 - Step 5: Solve for x
x = 31,711,820,987.03/203,542.68 - Step 6: Final answer
x = 155,799.37
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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.