Finding the Fourth Proportional to 329,507.08, 494,163.73 and 139,965.94
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Solution
The fourth proportional to 329,507.08, 494,163.73 and 139,965.94 is: 209,907.75
Step by Step Solution
- Step 1: Write the proportion equation
329,507.08 : 494,163.73 = 139,965.94 : x - Step 2: Convert to fraction form
329,507.08/494,163.73 = 139,965.94/x - Step 3: Cross multiply
329,507.08x = 494,163.73 × 139,965.94 - Step 4: Simplify right side
329,507.08x = 69,166,089,398.03 - Step 5: Solve for x
x = 69,166,089,398.03/329,507.08 - Step 6: Final answer
x = 209,907.75
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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.