Finding the Fourth Proportional to 230,762.94, 318,273.75 and 145,849.02
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Solution
The fourth proportional to 230,762.94, 318,273.75 and 145,849.02 is: 201,158.45
Step by Step Solution
- Step 1: Write the proportion equation
230,762.94 : 318,273.75 = 145,849.02 : x - Step 2: Convert to fraction form
230,762.94/318,273.75 = 145,849.02/x - Step 3: Cross multiply
230,762.94x = 318,273.75 × 145,849.02 - Step 4: Simplify right side
230,762.94x = 46,419,914,529.23 - Step 5: Solve for x
x = 46,419,914,529.23/230,762.94 - Step 6: Final answer
x = 201,158.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.