Finding the Fourth Proportional to 492,536.60, 738,846.81 and 155,487.09
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Solution
The fourth proportional to 492,536.60, 738,846.81 and 155,487.09 is: 233,243.87
Step by Step Solution
- Step 1: Write the proportion equation
492,536.60 : 738,846.81 = 155,487.09 : x - Step 2: Convert to fraction form
492,536.60/738,846.81 = 155,487.09/x - Step 3: Cross multiply
492,536.60x = 738,846.81 × 155,487.09 - Step 4: Simplify right side
492,536.60x = 114,881,139,665.25 - Step 5: Solve for x
x = 114,881,139,665.25/492,536.60 - Step 6: Final answer
x = 233,243.87
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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.