Finding the Fourth Proportional to 313,268.18, 432,310.48 and 170,028.23
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Solution
The fourth proportional to 313,268.18, 432,310.48 and 170,028.23 is: 234,639.17
Step by Step Solution
- Step 1: Write the proportion equation
313,268.18 : 432,310.48 = 170,028.23 : x - Step 2: Convert to fraction form
313,268.18/432,310.48 = 170,028.23/x - Step 3: Cross multiply
313,268.18x = 432,310.48 × 170,028.23 - Step 4: Simplify right side
313,268.18x = 73,504,983,138.23 - Step 5: Solve for x
x = 73,504,983,138.23/313,268.18 - Step 6: Final answer
x = 234,639.17
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1.5x scale
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.