Finding the Fourth Proportional to 447,624.70, 671,455.58 and 132,081.62
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Solution
The fourth proportional to 447,624.70, 671,455.58 and 132,081.62 is: 198,127.89
Step by Step Solution
- Step 1: Write the proportion equation
447,624.70 : 671,455.58 = 132,081.62 : x - Step 2: Convert to fraction form
447,624.70/671,455.58 = 132,081.62/x - Step 3: Cross multiply
447,624.70x = 671,455.58 × 132,081.62 - Step 4: Simplify right side
447,624.70x = 88,686,936,746.75 - Step 5: Solve for x
x = 88,686,936,746.75/447,624.70 - Step 6: Final answer
x = 198,127.89
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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.