Finding the Fourth Proportional to 147,484.14, 203,728.46 and 115,621.03
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Solution
The fourth proportional to 147,484.14, 203,728.46 and 115,621.03 is: 159,714.09
Step by Step Solution
- Step 1: Write the proportion equation
147,484.14 : 203,728.46 = 115,621.03 : x - Step 2: Convert to fraction form
147,484.14/203,728.46 = 115,621.03/x - Step 3: Cross multiply
147,484.14x = 203,728.46 × 115,621.03 - Step 4: Simplify right side
147,484.14x = 23,555,294,046.58 - Step 5: Solve for x
x = 23,555,294,046.58/147,484.14 - Step 6: Final answer
x = 159,714.09
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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.