Finding the Fourth Proportional to 319,966.97, 441,551.79 and 174,772.85
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Solution
The fourth proportional to 319,966.97, 441,551.79 and 174,772.85 is: 241,185.09
Step by Step Solution
- Step 1: Write the proportion equation
319,966.97 : 441,551.79 = 174,772.85 : x - Step 2: Convert to fraction form
319,966.97/441,551.79 = 174,772.85/x - Step 3: Cross multiply
319,966.97x = 441,551.79 × 174,772.85 - Step 4: Simplify right side
319,966.97x = 77,171,262,553.14 - Step 5: Solve for x
x = 77,171,262,553.14/319,966.97 - Step 6: Final answer
x = 241,185.09
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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.