Finding the Fourth Proportional to 204,029.30, 306,043.95 and 141,043.70
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Solution
The fourth proportional to 204,029.30, 306,043.95 and 141,043.70 is: 211,565.55
Step by Step Solution
- Step 1: Write the proportion equation
204,029.30 : 306,043.95 = 141,043.70 : x - Step 2: Convert to fraction form
204,029.30/306,043.95 = 141,043.70/x - Step 3: Cross multiply
204,029.30x = 306,043.95 × 141,043.70 - Step 4: Simplify right side
204,029.30x = 43,165,571,070.62 - Step 5: Solve for x
x = 43,165,571,070.62/204,029.30 - Step 6: Final answer
x = 211,565.55
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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.