Finding the Fourth Proportional to 202,350.87, 279,356.04 and 121,798.13
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Solution
The fourth proportional to 202,350.87, 279,356.04 and 121,798.13 is: 168,148.73
Step by Step Solution
- Step 1: Write the proportion equation
202,350.87 : 279,356.04 = 121,798.13 : x - Step 2: Convert to fraction form
202,350.87/279,356.04 = 121,798.13/x - Step 3: Cross multiply
202,350.87x = 279,356.04 × 121,798.13 - Step 4: Simplify right side
202,350.87x = 34,025,041,879.43 - Step 5: Solve for x
x = 34,025,041,879.43/202,350.87 - Step 6: Final answer
x = 168,148.73
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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.