Finding the Fourth Proportional to 447,108.09, 670,728.66 and 147,620.31
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Solution
The fourth proportional to 447,108.09, 670,728.66 and 147,620.31 is: 221,452.43
Step by Step Solution
- Step 1: Write the proportion equation
447,108.09 : 670,728.66 = 147,620.31 : x - Step 2: Convert to fraction form
447,108.09/670,728.66 = 147,620.31/x - Step 3: Cross multiply
447,108.09x = 670,728.66 × 147,620.31 - Step 4: Simplify right side
447,108.09x = 99,013,172,715.08 - Step 5: Solve for x
x = 99,013,172,715.08/447,108.09 - Step 6: Final answer
x = 221,452.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.