Finding the Fourth Proportional to 309,130.94, 463,762.02 and 106,745.96
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Solution
The fourth proportional to 309,130.94, 463,762.02 and 106,745.96 is: 160,141.60
Step by Step Solution
- Step 1: Write the proportion equation
309,130.94 : 463,762.02 = 106,745.96 : x - Step 2: Convert to fraction form
309,130.94/463,762.02 = 106,745.96/x - Step 3: Cross multiply
309,130.94x = 463,762.02 × 106,745.96 - Step 4: Simplify right side
309,130.94x = 49,504,722,036.44 - Step 5: Solve for x
x = 49,504,722,036.44/309,130.94 - Step 6: Final answer
x = 160,141.60
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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.