Finding the Fourth Proportional to 313,639.14, 432,726.66 and 177,651.48
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Solution
The fourth proportional to 313,639.14, 432,726.66 and 177,651.48 is: 245,105.03
Step by Step Solution
- Step 1: Write the proportion equation
313,639.14 : 432,726.66 = 177,651.48 : x - Step 2: Convert to fraction form
313,639.14/432,726.66 = 177,651.48/x - Step 3: Cross multiply
313,639.14x = 432,726.66 × 177,651.48 - Step 4: Simplify right side
313,639.14x = 76,874,531,584.46 - Step 5: Solve for x
x = 76,874,531,584.46/313,639.14 - Step 6: Final answer
x = 245,105.03
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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.