Finding the Fourth Proportional to 203,508.82, 280,859.43 and 112,893.99
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Solution
The fourth proportional to 203,508.82, 280,859.43 and 112,893.99 is: 155,803.28
Step by Step Solution
- Step 1: Write the proportion equation
203,508.82 : 280,859.43 = 112,893.99 : x - Step 2: Convert to fraction form
203,508.82/280,859.43 = 112,893.99/x - Step 3: Cross multiply
203,508.82x = 280,859.43 × 112,893.99 - Step 4: Simplify right side
203,508.82x = 31,707,341,681.83 - Step 5: Solve for x
x = 31,707,341,681.83/203,508.82 - Step 6: Final answer
x = 155,803.28
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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.