Finding the Fourth Proportional to 219,400.14, 329,112.96 and 61,640.91
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Solution
The fourth proportional to 219,400.14, 329,112.96 and 61,640.91 is: 92,464.95
Step by Step Solution
- Step 1: Write the proportion equation
219,400.14 : 329,112.96 = 61,640.91 : x - Step 2: Convert to fraction form
219,400.14/329,112.96 = 61,640.91/x - Step 3: Cross multiply
219,400.14x = 329,112.96 × 61,640.91 - Step 4: Simplify right side
219,400.14x = 20,286,822,347.19 - Step 5: Solve for x
x = 20,286,822,347.19/219,400.14 - Step 6: Final answer
x = 92,464.95
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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.