Finding the Fourth Proportional to 313,751.05, 432,959.88 and 177,786.63
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Solution
The fourth proportional to 313,751.05, 432,959.88 and 177,786.63 is: 245,336.16
Step by Step Solution
- Step 1: Write the proportion equation
313,751.05 : 432,959.88 = 177,786.63 : x - Step 2: Convert to fraction form
313,751.05/432,959.88 = 177,786.63/x - Step 3: Cross multiply
313,751.05x = 432,959.88 × 177,786.63 - Step 4: Simplify right side
313,751.05x = 76,974,477,990.40 - Step 5: Solve for x
x = 76,974,477,990.40/313,751.05 - Step 6: Final answer
x = 245,336.16
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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.