Finding the Fourth Proportional to 97,147.76, 145,721.91 and 27,027.14
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Solution
The fourth proportional to 97,147.76, 145,721.91 and 27,027.14 is: 40,540.79
Step by Step Solution
- Step 1: Write the proportion equation
97,147.76 : 145,721.91 = 27,027.14 : x - Step 2: Convert to fraction form
97,147.76/145,721.91 = 27,027.14/x - Step 3: Cross multiply
97,147.76x = 145,721.91 × 27,027.14 - Step 4: Simplify right side
97,147.76x = 3,938,446,462.64 - Step 5: Solve for x
x = 3,938,446,462.64/97,147.76 - Step 6: Final answer
x = 40,540.79
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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.