Finding the Fourth Proportional to 482,680.40, 724,366.20 and 202,398.80
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Solution
The fourth proportional to 482,680.40, 724,366.20 and 202,398.80 is: 303,743.12
Step by Step Solution
- Step 1: Write the proportion equation
482,680.40 : 724,366.20 = 202,398.80 : x - Step 2: Convert to fraction form
482,680.40/724,366.20 = 202,398.80/x - Step 3: Cross multiply
482,680.40x = 724,366.20 × 202,398.80 - Step 4: Simplify right side
482,680.40x = 146,610,849,640.56 - Step 5: Solve for x
x = 146,610,849,640.56/482,680.40 - Step 6: Final answer
x = 303,743.12
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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.