Finding the Fourth Proportional to 202,663.08, 279,489.08 and 121,950.50
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Solution
The fourth proportional to 202,663.08, 279,489.08 and 121,950.50 is: 168,179.78
Step by Step Solution
- Step 1: Write the proportion equation
202,663.08 : 279,489.08 = 121,950.50 : x - Step 2: Convert to fraction form
202,663.08/279,489.08 = 121,950.50/x - Step 3: Cross multiply
202,663.08x = 279,489.08 × 121,950.50 - Step 4: Simplify right side
202,663.08x = 34,083,831,957.97 - Step 5: Solve for x
x = 34,083,831,957.97/202,663.08 - Step 6: Final answer
x = 168,179.78
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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.