Finding the Fourth Proportional to 219,180.62, 302,466.26 and 122,385.94
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Solution
The fourth proportional to 219,180.62, 302,466.26 and 122,385.94 is: 168,890.92
Step by Step Solution
- Step 1: Write the proportion equation
219,180.62 : 302,466.26 = 122,385.94 : x - Step 2: Convert to fraction form
219,180.62/302,466.26 = 122,385.94/x - Step 3: Cross multiply
219,180.62x = 302,466.26 × 122,385.94 - Step 4: Simplify right side
219,180.62x = 37,017,617,548.38 - Step 5: Solve for x
x = 37,017,617,548.38/219,180.62 - Step 6: Final answer
x = 168,890.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.