Finding the Fourth Proportional to 203,241.09, 280,474.65 and 112,598.99
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Solution
The fourth proportional to 203,241.09, 280,474.65 and 112,598.99 is: 155,387.68
Step by Step Solution
- Step 1: Write the proportion equation
203,241.09 : 280,474.65 = 112,598.99 : x - Step 2: Convert to fraction form
203,241.09/280,474.65 = 112,598.99/x - Step 3: Cross multiply
203,241.09x = 280,474.65 × 112,598.99 - Step 4: Simplify right side
203,241.09x = 31,581,160,908.23 - Step 5: Solve for x
x = 31,581,160,908.23/203,241.09 - Step 6: Final answer
x = 155,387.68
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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.