Finding the Fourth Proportional to 322,729.74, 445,340.58 and 186,773.64
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Solution
The fourth proportional to 322,729.74, 445,340.58 and 186,773.64 is: 257,732.31
Step by Step Solution
- Step 1: Write the proportion equation
322,729.74 : 445,340.58 = 186,773.64 : x - Step 2: Convert to fraction form
322,729.74/445,340.58 = 186,773.64/x - Step 3: Cross multiply
322,729.74x = 445,340.58 × 186,773.64 - Step 4: Simplify right side
322,729.74x = 83,177,881,166.31 - Step 5: Solve for x
x = 83,177,881,166.31/322,729.74 - Step 6: Final answer
x = 257,732.31
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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.