Finding the Fourth Proportional to 313,627.14, 432,710.10 and 177,639.48
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Solution
The fourth proportional to 313,627.14, 432,710.10 and 177,639.48 is: 245,088.47
Step by Step Solution
- Step 1: Write the proportion equation
313,627.14 : 432,710.10 = 177,639.48 : x - Step 2: Convert to fraction form
313,627.14/432,710.10 = 177,639.48/x - Step 3: Cross multiply
313,627.14x = 432,710.10 × 177,639.48 - Step 4: Simplify right side
313,627.14x = 76,866,397,154.75 - Step 5: Solve for x
x = 76,866,397,154.75/313,627.14 - Step 6: Final answer
x = 245,088.47
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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.