Finding the Fourth Proportional to 320,108.73, 441,842.09 and 211,292.49
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Solution
The fourth proportional to 320,108.73, 441,842.09 and 211,292.49 is: 291,644.39
Step by Step Solution
- Step 1: Write the proportion equation
320,108.73 : 441,842.09 = 211,292.49 : x - Step 2: Convert to fraction form
320,108.73/441,842.09 = 211,292.49/x - Step 3: Cross multiply
320,108.73x = 441,842.09 × 211,292.49 - Step 4: Simplify right side
320,108.73x = 93,357,915,382.90 - Step 5: Solve for x
x = 93,357,915,382.90/320,108.73 - Step 6: Final answer
x = 291,644.39
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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.