Finding the Fourth Proportional to 320,729.73, 442,604.45 and 177,497.63
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Solution
The fourth proportional to 320,729.73, 442,604.45 and 177,497.63 is: 244,945.31
Step by Step Solution
- Step 1: Write the proportion equation
320,729.73 : 442,604.45 = 177,497.63 : x - Step 2: Convert to fraction form
320,729.73/442,604.45 = 177,497.63/x - Step 3: Cross multiply
320,729.73x = 442,604.45 × 177,497.63 - Step 4: Simplify right side
320,729.73x = 78,561,240,792.94 - Step 5: Solve for x
x = 78,561,240,792.94/320,729.73 - Step 6: Final answer
x = 244,945.31
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1.5x scale
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.