Finding the Fourth Proportional to 223,020.12, 307,768.04 and 121,045.54
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Solution
The fourth proportional to 223,020.12, 307,768.04 and 121,045.54 is: 167,042.99
Step by Step Solution
- Step 1: Write the proportion equation
223,020.12 : 307,768.04 = 121,045.54 : x - Step 2: Convert to fraction form
223,020.12/307,768.04 = 121,045.54/x - Step 3: Cross multiply
223,020.12x = 307,768.04 × 121,045.54 - Step 4: Simplify right side
223,020.12x = 37,253,948,596.54 - Step 5: Solve for x
x = 37,253,948,596.54/223,020.12 - Step 6: Final answer
x = 167,042.99
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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.