Finding the Fourth Proportional to 274,915.11, 412,357.66 and 75,221.08
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Solution
The fourth proportional to 274,915.11, 412,357.66 and 75,221.08 is: 112,827.52
Step by Step Solution
- Step 1: Write the proportion equation
274,915.11 : 412,357.66 = 75,221.08 : x - Step 2: Convert to fraction form
274,915.11/412,357.66 = 75,221.08/x - Step 3: Cross multiply
274,915.11x = 412,357.66 × 75,221.08 - Step 4: Simplify right side
274,915.11x = 31,017,988,155.37 - Step 5: Solve for x
x = 31,017,988,155.37/274,915.11 - Step 6: Final answer
x = 112,827.52
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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.