Finding the Fourth Proportional to 314,153.92, 471,323.76 and 181,129.60
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Solution
The fourth proportional to 314,153.92, 471,323.76 and 181,129.60 is: 271,747.95
Step by Step Solution
- Step 1: Write the proportion equation
314,153.92 : 471,323.76 = 181,129.60 : x - Step 2: Convert to fraction form
314,153.92/471,323.76 = 181,129.60/x - Step 3: Cross multiply
314,153.92x = 471,323.76 × 181,129.60 - Step 4: Simplify right side
314,153.92x = 85,370,684,119.30 - Step 5: Solve for x
x = 85,370,684,119.30/314,153.92 - Step 6: Final answer
x = 271,747.95
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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.