Finding the Fourth Proportional to 270,285.63, 372,961.74 and 149,410.53
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Solution
The fourth proportional to 270,285.63, 372,961.74 and 149,410.53 is: 206,168.60
Step by Step Solution
- Step 1: Write the proportion equation
270,285.63 : 372,961.74 = 149,410.53 : x - Step 2: Convert to fraction form
270,285.63/372,961.74 = 149,410.53/x - Step 3: Cross multiply
270,285.63x = 372,961.74 × 149,410.53 - Step 4: Simplify right side
270,285.63x = 55,724,411,243.12 - Step 5: Solve for x
x = 55,724,411,243.12/270,285.63 - Step 6: Final answer
x = 206,168.60
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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.