Finding the Fourth Proportional to 492,361.08, 738,541.62 and 155,638.26
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Solution
The fourth proportional to 492,361.08, 738,541.62 and 155,638.26 is: 233,457.39
Step by Step Solution
- Step 1: Write the proportion equation
492,361.08 : 738,541.62 = 155,638.26 : x - Step 2: Convert to fraction form
492,361.08/738,541.62 = 155,638.26/x - Step 3: Cross multiply
492,361.08x = 738,541.62 × 155,638.26 - Step 4: Simplify right side
492,361.08x = 114,945,332,674.38 - Step 5: Solve for x
x = 114,945,332,674.38/492,361.08 - Step 6: Final answer
x = 233,457.39
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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.