Finding the Fourth Proportional to 240,618.42, 361,581.92 and 128,377.94
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Solution
The fourth proportional to 240,618.42, 361,581.92 and 128,377.94 is: 192,915.99
Step by Step Solution
- Step 1: Write the proportion equation
240,618.42 : 361,581.92 = 128,377.94 : x - Step 2: Convert to fraction form
240,618.42/361,581.92 = 128,377.94/x - Step 3: Cross multiply
240,618.42x = 361,581.92 × 128,377.94 - Step 4: Simplify right side
240,618.42x = 46,419,139,581.05 - Step 5: Solve for x
x = 46,419,139,581.05/240,618.42 - Step 6: Final answer
x = 192,915.99
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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.