Finding the Fourth Proportional to 352,115.08, 485,842.80 and 208,922.50
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Solution
The fourth proportional to 352,115.08, 485,842.80 and 208,922.50 is: 288,267.95
Step by Step Solution
- Step 1: Write the proportion equation
352,115.08 : 485,842.80 = 208,922.50 : x - Step 2: Convert to fraction form
352,115.08/485,842.80 = 208,922.50/x - Step 3: Cross multiply
352,115.08x = 485,842.80 × 208,922.50 - Step 4: Simplify right side
352,115.08x = 101,503,492,383 - Step 5: Solve for x
x = 101,503,492,383/352,115.08 - Step 6: Final answer
x = 288,267.95
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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.