Finding the Fourth Proportional to 322,965.18, 445,688.43 and 177,767.82
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Solution
The fourth proportional to 322,965.18, 445,688.43 and 177,767.82 is: 245,317.65
Step by Step Solution
- Step 1: Write the proportion equation
322,965.18 : 445,688.43 = 177,767.82 : x - Step 2: Convert to fraction form
322,965.18/445,688.43 = 177,767.82/x - Step 3: Cross multiply
322,965.18x = 445,688.43 × 177,767.82 - Step 4: Simplify right side
322,965.18x = 79,229,060,600.32 - Step 5: Solve for x
x = 79,229,060,600.32/322,965.18 - Step 6: Final answer
x = 245,317.65
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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.