Finding the Fourth Proportional to 255,129.58, 352,121.96 and 147,764.88
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Solution
The fourth proportional to 255,129.58, 352,121.96 and 147,764.88 is: 203,940.52
Step by Step Solution
- Step 1: Write the proportion equation
255,129.58 : 352,121.96 = 147,764.88 : x - Step 2: Convert to fraction form
255,129.58/352,121.96 = 147,764.88/x - Step 3: Cross multiply
255,129.58x = 352,121.96 × 147,764.88 - Step 4: Simplify right side
255,129.58x = 52,031,259,164.76 - Step 5: Solve for x
x = 52,031,259,164.76/255,129.58 - Step 6: Final answer
x = 203,940.52
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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.