Finding the Fourth Proportional to 180,859.22, 270,473.91 and 138,177.62
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Solution
The fourth proportional to 180,859.22, 270,473.91 and 138,177.62 is: 206,643.83
Step by Step Solution
- Step 1: Write the proportion equation
180,859.22 : 270,473.91 = 138,177.62 : x - Step 2: Convert to fraction form
180,859.22/270,473.91 = 138,177.62/x - Step 3: Cross multiply
180,859.22x = 270,473.91 × 138,177.62 - Step 4: Simplify right side
180,859.22x = 37,373,441,155.89 - Step 5: Solve for x
x = 37,373,441,155.89/180,859.22 - Step 6: Final answer
x = 206,643.83
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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.