Finding the Fourth Proportional to 482,936.81, 724,431.87 and 145,968.98
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Solution
The fourth proportional to 482,936.81, 724,431.87 and 145,968.98 is: 218,961.53
Step by Step Solution
- Step 1: Write the proportion equation
482,936.81 : 724,431.87 = 145,968.98 : x - Step 2: Convert to fraction form
482,936.81/724,431.87 = 145,968.98/x - Step 3: Cross multiply
482,936.81x = 724,431.87 × 145,968.98 - Step 4: Simplify right side
482,936.81x = 105,744,582,954.47 - Step 5: Solve for x
x = 105,744,582,954.47/482,936.81 - Step 6: Final answer
x = 218,961.53
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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.