Finding the Fourth Proportional to 416,654.64, 625,011.39 and 206,236.08
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Solution
The fourth proportional to 416,654.64, 625,011.39 and 206,236.08 is: 309,368.69
Step by Step Solution
- Step 1: Write the proportion equation
416,654.64 : 625,011.39 = 206,236.08 : x - Step 2: Convert to fraction form
416,654.64/625,011.39 = 206,236.08/x - Step 3: Cross multiply
416,654.64x = 625,011.39 × 206,236.08 - Step 4: Simplify right side
416,654.64x = 128,899,899,028.95 - Step 5: Solve for x
x = 128,899,899,028.95/416,654.64 - Step 6: Final answer
x = 309,368.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.