Finding the Fourth Proportional to 255,427.66, 352,121.88 and 178,709.05
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Solution
The fourth proportional to 255,427.66, 352,121.88 and 178,709.05 is: 246,360.82
Step by Step Solution
- Step 1: Write the proportion equation
255,427.66 : 352,121.88 = 178,709.05 : x - Step 2: Convert to fraction form
255,427.66/352,121.88 = 178,709.05/x - Step 3: Cross multiply
255,427.66x = 352,121.88 × 178,709.05 - Step 4: Simplify right side
255,427.66x = 62,927,366,659.01 - Step 5: Solve for x
x = 62,927,366,659.01/255,427.66 - Step 6: Final answer
x = 246,360.82
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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.