Finding the Fourth Proportional to 244,916.20, 366,920.70 and 139,421.80
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Solution
The fourth proportional to 244,916.20, 366,920.70 and 139,421.80 is: 208,874.48
Step by Step Solution
- Step 1: Write the proportion equation
244,916.20 : 366,920.70 = 139,421.80 : x - Step 2: Convert to fraction form
244,916.20/366,920.70 = 139,421.80/x - Step 3: Cross multiply
244,916.20x = 366,920.70 × 139,421.80 - Step 4: Simplify right side
244,916.20x = 51,156,744,451.26 - Step 5: Solve for x
x = 51,156,744,451.26/244,916.20 - Step 6: Final answer
x = 208,874.48
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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.