Finding the Fourth Proportional to 313,373.25, 432,460.17 and 177,403.68
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Solution
The fourth proportional to 313,373.25, 432,460.17 and 177,403.68 is: 244,819.96
Step by Step Solution
- Step 1: Write the proportion equation
313,373.25 : 432,460.17 = 177,403.68 : x - Step 2: Convert to fraction form
313,373.25/432,460.17 = 177,403.68/x - Step 3: Cross multiply
313,373.25x = 432,460.17 × 177,403.68 - Step 4: Simplify right side
313,373.25x = 76,720,025,611.43 - Step 5: Solve for x
x = 76,720,025,611.43/313,373.25 - Step 6: Final answer
x = 244,819.96
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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.