Finding the Fourth Proportional to 345,871.91, 477,409.59 and 202,678.08
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Solution
The fourth proportional to 345,871.91, 477,409.59 and 202,678.08 is: 279,758.08
Step by Step Solution
- Step 1: Write the proportion equation
345,871.91 : 477,409.59 = 202,678.08 : x - Step 2: Convert to fraction form
345,871.91/477,409.59 = 202,678.08/x - Step 3: Cross multiply
345,871.91x = 477,409.59 × 202,678.08 - Step 4: Simplify right side
345,871.91x = 96,760,459,074.79 - Step 5: Solve for x
x = 96,760,459,074.79/345,871.91 - Step 6: Final answer
x = 279,758.08
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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.