Finding the Fourth Proportional to 327,455.78, 491,246.09 and 114,284.58
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Solution
The fourth proportional to 327,455.78, 491,246.09 and 114,284.58 is: 171,448.66
Step by Step Solution
- Step 1: Write the proportion equation
327,455.78 : 491,246.09 = 114,284.58 : x - Step 2: Convert to fraction form
327,455.78/491,246.09 = 114,284.58/x - Step 3: Cross multiply
327,455.78x = 491,246.09 × 114,284.58 - Step 4: Simplify right side
327,455.78x = 56,141,852,500.87 - Step 5: Solve for x
x = 56,141,852,500.87/327,455.78 - Step 6: Final answer
x = 171,448.66
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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.