Finding the Fourth Proportional to 203,587.02, 280,950.42 and 112,942.99
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Solution
The fourth proportional to 203,587.02, 280,950.42 and 112,942.99 is: 155,861.51
Step by Step Solution
- Step 1: Write the proportion equation
203,587.02 : 280,950.42 = 112,942.99 : x - Step 2: Convert to fraction form
203,587.02/280,950.42 = 112,942.99/x - Step 3: Cross multiply
203,587.02x = 280,950.42 × 112,942.99 - Step 4: Simplify right side
203,587.02x = 31,731,380,476.56 - Step 5: Solve for x
x = 31,731,380,476.56/203,587.02 - Step 6: Final answer
x = 155,861.51
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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.