Finding the Fourth Proportional to 265,741.42, 398,612.16 and 107,969.98
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Solution
The fourth proportional to 265,741.42, 398,612.16 and 107,969.98 is: 161,954.98
Step by Step Solution
- Step 1: Write the proportion equation
265,741.42 : 398,612.16 = 107,969.98 : x - Step 2: Convert to fraction form
265,741.42/398,612.16 = 107,969.98/x - Step 3: Cross multiply
265,741.42x = 398,612.16 × 107,969.98 - Step 4: Simplify right side
265,741.42x = 43,038,146,942.96 - Step 5: Solve for x
x = 43,038,146,942.96/265,741.42 - Step 6: Final answer
x = 161,954.98
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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.