Finding the Fourth Proportional to 758,113.20, 1,136,971.80 and 225,490.80
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Solution
The fourth proportional to 758,113.20, 1,136,971.80 and 225,490.80 is: 338,177.31
Step by Step Solution
- Step 1: Write the proportion equation
758,113.20 : 1,136,971.80 = 225,490.80 : x - Step 2: Convert to fraction form
758,113.20/1,136,971.80 = 225,490.80/x - Step 3: Cross multiply
758,113.20x = 1,136,971.80 × 225,490.80 - Step 4: Simplify right side
758,113.20x = 256,376,680,759.44 - Step 5: Solve for x
x = 256,376,680,759.44/758,113.20 - Step 6: Final answer
x = 338,177.31
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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.