Finding the Fourth Proportional to 482,700.80, 724,137.60 and 202,246.40
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Solution
The fourth proportional to 482,700.80, 724,137.60 and 202,246.40 is: 303,405.80
Step by Step Solution
- Step 1: Write the proportion equation
482,700.80 : 724,137.60 = 202,246.40 : x - Step 2: Convert to fraction form
482,700.80/724,137.60 = 202,246.40/x - Step 3: Cross multiply
482,700.80x = 724,137.60 × 202,246.40 - Step 4: Simplify right side
482,700.80x = 146,454,222,704.64 - Step 5: Solve for x
x = 146,454,222,704.64/482,700.80 - Step 6: Final answer
x = 303,405.80
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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.