Finding the Fourth Proportional to 447,102.68, 670,736.82 and 147,604.12
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Solution
The fourth proportional to 447,102.68, 670,736.82 and 147,604.12 is: 221,433.52
Step by Step Solution
- Step 1: Write the proportion equation
447,102.68 : 670,736.82 = 147,604.12 : x - Step 2: Convert to fraction form
447,102.68/670,736.82 = 147,604.12/x - Step 3: Cross multiply
447,102.68x = 670,736.82 × 147,604.12 - Step 4: Simplify right side
447,102.68x = 99,003,518,067.70 - Step 5: Solve for x
x = 99,003,518,067.70/447,102.68 - Step 6: Final answer
x = 221,433.52
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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.