Finding the Fourth Proportional to 145,977.62, 201,449.26 and 85,536.22
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Solution
The fourth proportional to 145,977.62, 201,449.26 and 85,536.22 is: 118,040.07
Step by Step Solution
- Step 1: Write the proportion equation
145,977.62 : 201,449.26 = 85,536.22 : x - Step 2: Convert to fraction form
145,977.62/201,449.26 = 85,536.22/x - Step 3: Cross multiply
145,977.62x = 201,449.26 × 85,536.22 - Step 4: Simplify right side
145,977.62x = 17,231,208,222.20 - Step 5: Solve for x
x = 17,231,208,222.20/145,977.62 - Step 6: Final answer
x = 118,040.07
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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.