Finding the Fourth Proportional to 447,793.76, 671,729.57 and 144,218.47
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Solution
The fourth proportional to 447,793.76, 671,729.57 and 144,218.47 is: 216,340.24
Step by Step Solution
- Step 1: Write the proportion equation
447,793.76 : 671,729.57 = 144,218.47 : x - Step 2: Convert to fraction form
447,793.76/671,729.57 = 144,218.47/x - Step 3: Cross multiply
447,793.76x = 671,729.57 × 144,218.47 - Step 4: Simplify right side
447,793.76x = 96,875,809,520.38 - Step 5: Solve for x
x = 96,875,809,520.38/447,793.76 - Step 6: Final answer
x = 216,340.24
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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.