Finding the Fourth Proportional to 186,489.16, 279,461.58 and 92,866.12
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Solution
The fourth proportional to 186,489.16, 279,461.58 and 92,866.12 is: 139,163.65
Step by Step Solution
- Step 1: Write the proportion equation
186,489.16 : 279,461.58 = 92,866.12 : x - Step 2: Convert to fraction form
186,489.16/279,461.58 = 92,866.12/x - Step 3: Cross multiply
186,489.16x = 279,461.58 × 92,866.12 - Step 4: Simplify right side
186,489.16x = 25,952,512,623.67 - Step 5: Solve for x
x = 25,952,512,623.67/186,489.16 - Step 6: Final answer
x = 139,163.65
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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.