Finding the Fourth Proportional to 229,692.08, 317,072.28 and 215,343.92
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Solution
The fourth proportional to 229,692.08, 317,072.28 and 215,343.92 is: 297,265.75
Step by Step Solution
- Step 1: Write the proportion equation
229,692.08 : 317,072.28 = 215,343.92 : x - Step 2: Convert to fraction form
229,692.08/317,072.28 = 215,343.92/x - Step 3: Cross multiply
229,692.08x = 317,072.28 × 215,343.92 - Step 4: Simplify right side
229,692.08x = 68,279,587,698.54 - Step 5: Solve for x
x = 68,279,587,698.54/229,692.08 - Step 6: Final answer
x = 297,265.75
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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.