Finding the Fourth Proportional to 215,334.18, 297,170.91 and 124,694.10
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Solution
The fourth proportional to 215,334.18, 297,170.91 and 124,694.10 is: 172,083.50
Step by Step Solution
- Step 1: Write the proportion equation
215,334.18 : 297,170.91 = 124,694.10 : x - Step 2: Convert to fraction form
215,334.18/297,170.91 = 124,694.10/x - Step 3: Cross multiply
215,334.18x = 297,170.91 × 124,694.10 - Step 4: Simplify right side
215,334.18x = 37,055,459,168.63 - Step 5: Solve for x
x = 37,055,459,168.63/215,334.18 - Step 6: Final answer
x = 172,083.50
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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.