Finding the Fourth Proportional to 219,181.44, 302,453.16 and 134,286.96
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Solution
The fourth proportional to 219,181.44, 302,453.16 and 134,286.96 is: 185,305.45
Step by Step Solution
- Step 1: Write the proportion equation
219,181.44 : 302,453.16 = 134,286.96 : x - Step 2: Convert to fraction form
219,181.44/302,453.16 = 134,286.96/x - Step 3: Cross multiply
219,181.44x = 302,453.16 × 134,286.96 - Step 4: Simplify right side
219,181.44x = 40,615,515,398.79 - Step 5: Solve for x
x = 40,615,515,398.79/219,181.44 - Step 6: Final answer
x = 185,305.45
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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.