Finding the Fourth Proportional to 215,819.44, 297,852.60 and 125,203.12
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Solution
The fourth proportional to 215,819.44, 297,852.60 and 125,203.12 is: 172,792.94
Step by Step Solution
- Step 1: Write the proportion equation
215,819.44 : 297,852.60 = 125,203.12 : x - Step 2: Convert to fraction form
215,819.44/297,852.60 = 125,203.12/x - Step 3: Cross multiply
215,819.44x = 297,852.60 × 125,203.12 - Step 4: Simplify right side
215,819.44x = 37,292,074,820.11 - Step 5: Solve for x
x = 37,292,074,820.11/215,819.44 - Step 6: Final answer
x = 172,792.94
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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.