Finding the Fourth Proportional to 336,674.41, 465,226.55 and 320,273.53
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Solution
The fourth proportional to 336,674.41, 465,226.55 and 320,273.53 is: 442,563.33
Step by Step Solution
- Step 1: Write the proportion equation
336,674.41 : 465,226.55 = 320,273.53 : x - Step 2: Convert to fraction form
336,674.41/465,226.55 = 320,273.53/x - Step 3: Cross multiply
336,674.41x = 465,226.55 × 320,273.53 - Step 4: Simplify right side
336,674.41x = 148,999,749,418.22 - Step 5: Solve for x
x = 148,999,749,418.22/336,674.41 - Step 6: Final answer
x = 442,563.33
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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.