Finding the Fourth Proportional to 97,911.94, 146,867.64 and 27,791.32
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Solution
The fourth proportional to 97,911.94, 146,867.64 and 27,791.32 is: 41,686.90
Step by Step Solution
- Step 1: Write the proportion equation
97,911.94 : 146,867.64 = 27,791.32 : x - Step 2: Convert to fraction form
97,911.94/146,867.64 = 27,791.32/x - Step 3: Cross multiply
97,911.94x = 146,867.64 × 27,791.32 - Step 4: Simplify right side
97,911.94x = 4,081,645,580.88 - Step 5: Solve for x
x = 4,081,645,580.88/97,911.94 - Step 6: Final answer
x = 41,686.90
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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.