Finding the Fourth Proportional to 203,567.13, 305,039.29 and 108,810.79
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Solution
The fourth proportional to 203,567.13, 305,039.29 and 108,810.79 is: 163,049.73
Step by Step Solution
- Step 1: Write the proportion equation
203,567.13 : 305,039.29 = 108,810.79 : x - Step 2: Convert to fraction form
203,567.13/305,039.29 = 108,810.79/x - Step 3: Cross multiply
203,567.13x = 305,039.29 × 108,810.79 - Step 4: Simplify right side
203,567.13x = 33,191,566,125.94 - Step 5: Solve for x
x = 33,191,566,125.94/203,567.13 - Step 6: Final answer
x = 163,049.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.