Finding the Fourth Proportional to 482,685.40, 724,373.70 and 202,403.80
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Solution
The fourth proportional to 482,685.40, 724,373.70 and 202,403.80 is: 303,750.62
Step by Step Solution
- Step 1: Write the proportion equation
482,685.40 : 724,373.70 = 202,403.80 : x - Step 2: Convert to fraction form
482,685.40/724,373.70 = 202,403.80/x - Step 3: Cross multiply
482,685.40x = 724,373.70 × 202,403.80 - Step 4: Simplify right side
482,685.40x = 146,615,989,500.06 - Step 5: Solve for x
x = 146,615,989,500.06/482,685.40 - Step 6: Final answer
x = 303,750.62
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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.