Finding the Fourth Proportional to 313,537.50, 432,686.40 and 177,568.06
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Solution
The fourth proportional to 313,537.50, 432,686.40 and 177,568.06 is: 245,046.56
Step by Step Solution
- Step 1: Write the proportion equation
313,537.50 : 432,686.40 = 177,568.06 : x - Step 2: Convert to fraction form
313,537.50/432,686.40 = 177,568.06/x - Step 3: Cross multiply
313,537.50x = 432,686.40 × 177,568.06 - Step 4: Simplify right side
313,537.50x = 76,831,284,636.38 - Step 5: Solve for x
x = 76,831,284,636.38/313,537.50 - Step 6: Final answer
x = 245,046.56
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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.