Finding the Fourth Proportional to 313,518.12, 432,640.52 and 177,553.04
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Solution
The fourth proportional to 313,518.12, 432,640.52 and 177,553.04 is: 245,014.99
Step by Step Solution
- Step 1: Write the proportion equation
313,518.12 : 432,640.52 = 177,553.04 : x - Step 2: Convert to fraction form
313,518.12/432,640.52 = 177,553.04/x - Step 3: Cross multiply
313,518.12x = 432,640.52 × 177,553.04 - Step 4: Simplify right side
313,518.12x = 76,816,637,168.04 - Step 5: Solve for x
x = 76,816,637,168.04/313,518.12 - Step 6: Final answer
x = 245,014.99
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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.