Finding the Fourth Proportional to 202,322.99, 279,205.74 and 111,678.98
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Solution
The fourth proportional to 202,322.99, 279,205.74 and 111,678.98 is: 154,117.00
Step by Step Solution
- Step 1: Write the proportion equation
202,322.99 : 279,205.74 = 111,678.98 : x - Step 2: Convert to fraction form
202,322.99/279,205.74 = 111,678.98/x - Step 3: Cross multiply
202,322.99x = 279,205.74 × 111,678.98 - Step 4: Simplify right side
202,322.99x = 31,181,412,253.35 - Step 5: Solve for x
x = 31,181,412,253.35/202,322.99 - Step 6: Final answer
x = 154,117.00
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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.