Finding the Fourth Proportional to 482,868.80, 724,389.60 and 202,414.40
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Solution
The fourth proportional to 482,868.80, 724,389.60 and 202,414.40 is: 303,657.82
Step by Step Solution
- Step 1: Write the proportion equation
482,868.80 : 724,389.60 = 202,414.40 : x - Step 2: Convert to fraction form
482,868.80/724,389.60 = 202,414.40/x - Step 3: Cross multiply
482,868.80x = 724,389.60 × 202,414.40 - Step 4: Simplify right side
482,868.80x = 146,626,886,250.24 - Step 5: Solve for x
x = 146,626,886,250.24/482,868.80 - Step 6: Final answer
x = 303,657.82
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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.