Finding the Fourth Proportional to 313,088.87, 432,062.69 and 177,120.00
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Solution
The fourth proportional to 313,088.87, 432,062.69 and 177,120.00 is: 244,425.64
Step by Step Solution
- Step 1: Write the proportion equation
313,088.87 : 432,062.69 = 177,120.00 : x - Step 2: Convert to fraction form
313,088.87/432,062.69 = 177,120.00/x - Step 3: Cross multiply
313,088.87x = 432,062.69 × 177,120.00 - Step 4: Simplify right side
313,088.87x = 76,526,946,333.49 - Step 5: Solve for x
x = 76,526,946,333.49/313,088.87 - Step 6: Final answer
x = 244,425.64
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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.