Finding the Fourth Proportional to 256,660.18, 384,036.74 and 161,445.76
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Solution
The fourth proportional to 256,660.18, 384,036.74 and 161,445.76 is: 241,568.85
Step by Step Solution
- Step 1: Write the proportion equation
256,660.18 : 384,036.74 = 161,445.76 : x - Step 2: Convert to fraction form
256,660.18/384,036.74 = 161,445.76/x - Step 3: Cross multiply
256,660.18x = 384,036.74 × 161,445.76 - Step 4: Simplify right side
256,660.18x = 62,001,103,357.22 - Step 5: Solve for x
x = 62,001,103,357.22/256,660.18 - Step 6: Final answer
x = 241,568.85
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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.