Finding the Fourth Proportional to 203,727.16, 305,387.29 and 102,215.08
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Solution
The fourth proportional to 203,727.16, 305,387.29 and 102,215.08 is: 153,220.54
Step by Step Solution
- Step 1: Write the proportion equation
203,727.16 : 305,387.29 = 102,215.08 : x - Step 2: Convert to fraction form
203,727.16/305,387.29 = 102,215.08/x - Step 3: Cross multiply
203,727.16x = 305,387.29 × 102,215.08 - Step 4: Simplify right side
203,727.16x = 31,215,186,278.33 - Step 5: Solve for x
x = 31,215,186,278.33/203,727.16 - Step 6: Final answer
x = 153,220.54
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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.