Finding the Fourth Proportional to 313,396.09, 432,482.29 and 177,426.52
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Solution
The fourth proportional to 313,396.09, 432,482.29 and 177,426.52 is: 244,846.15
Step by Step Solution
- Step 1: Write the proportion equation
313,396.09 : 432,482.29 = 177,426.52 : x - Step 2: Convert to fraction form
313,396.09/432,482.29 = 177,426.52/x - Step 3: Cross multiply
313,396.09x = 432,482.29 × 177,426.52 - Step 4: Simplify right side
313,396.09x = 76,733,826,151.56 - Step 5: Solve for x
x = 76,733,826,151.56/313,396.09 - Step 6: Final answer
x = 244,846.15
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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.