Finding the Fourth Proportional to 313,636.60, 432,723.16 and 177,648.94
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Solution
The fourth proportional to 313,636.60, 432,723.16 and 177,648.94 is: 245,101.53
Step by Step Solution
- Step 1: Write the proportion equation
313,636.60 : 432,723.16 = 177,648.94 : x - Step 2: Convert to fraction form
313,636.60/432,723.16 = 177,648.94/x - Step 3: Cross multiply
313,636.60x = 432,723.16 × 177,648.94 - Step 4: Simplify right side
313,636.60x = 76,872,810,451.14 - Step 5: Solve for x
x = 76,872,810,451.14/313,636.60 - Step 6: Final answer
x = 245,101.53
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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.