Finding the Fourth Proportional to 227,454.64, 313,785.93 and 131,905.99
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Solution
The fourth proportional to 227,454.64, 313,785.93 and 131,905.99 is: 181,971.42
Step by Step Solution
- Step 1: Write the proportion equation
227,454.64 : 313,785.93 = 131,905.99 : x - Step 2: Convert to fraction form
227,454.64/313,785.93 = 131,905.99/x - Step 3: Cross multiply
227,454.64x = 313,785.93 × 131,905.99 - Step 4: Simplify right side
227,454.64x = 41,390,243,744.72 - Step 5: Solve for x
x = 41,390,243,744.72/227,454.64 - Step 6: Final answer
x = 181,971.42
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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.