Finding the Fourth Proportional to 199,305.21, 298,929.75 and 57,162.66
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Solution
The fourth proportional to 199,305.21, 298,929.75 and 57,162.66 is: 85,735.94
Step by Step Solution
- Step 1: Write the proportion equation
199,305.21 : 298,929.75 = 57,162.66 : x - Step 2: Convert to fraction form
199,305.21/298,929.75 = 57,162.66/x - Step 3: Cross multiply
199,305.21x = 298,929.75 × 57,162.66 - Step 4: Simplify right side
199,305.21x = 17,087,619,663.14 - Step 5: Solve for x
x = 17,087,619,663.14/199,305.21 - Step 6: Final answer
x = 85,735.94
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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.