Finding the Fourth Proportional to 202,463.99, 279,394.96 and 111,818.00
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Solution
The fourth proportional to 202,463.99, 279,394.96 and 111,818.00 is: 154,305.89
Step by Step Solution
- Step 1: Write the proportion equation
202,463.99 : 279,394.96 = 111,818.00 : x - Step 2: Convert to fraction form
202,463.99/279,394.96 = 111,818.00/x - Step 3: Cross multiply
202,463.99x = 279,394.96 × 111,818.00 - Step 4: Simplify right side
202,463.99x = 31,241,386,789.75 - Step 5: Solve for x
x = 31,241,386,789.75/202,463.99 - Step 6: Final answer
x = 154,305.89
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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.