Finding the Fourth Proportional to 204,043.30, 306,064.95 and 141,057.70
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Solution
The fourth proportional to 204,043.30, 306,064.95 and 141,057.70 is: 211,586.55
Step by Step Solution
- Step 1: Write the proportion equation
204,043.30 : 306,064.95 = 141,057.70 : x - Step 2: Convert to fraction form
204,043.30/306,064.95 = 141,057.70/x - Step 3: Cross multiply
204,043.30x = 306,064.95 × 141,057.70 - Step 4: Simplify right side
204,043.30x = 43,172,817,897.62 - Step 5: Solve for x
x = 43,172,817,897.62/204,043.30 - Step 6: Final answer
x = 211,586.55
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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.