Finding the Fourth Proportional to 214,864.84, 321,806.75 and 102,624.15
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Solution
The fourth proportional to 214,864.84, 321,806.75 and 102,624.15 is: 153,701.95
Step by Step Solution
- Step 1: Write the proportion equation
214,864.84 : 321,806.75 = 102,624.15 : x - Step 2: Convert to fraction form
214,864.84/321,806.75 = 102,624.15/x - Step 3: Cross multiply
214,864.84x = 321,806.75 × 102,624.15 - Step 4: Simplify right side
214,864.84x = 33,025,144,183.01 - Step 5: Solve for x
x = 33,025,144,183.01/214,864.84 - Step 6: Final answer
x = 153,701.95
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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.