Finding the Fourth Proportional to 319,221.63, 440,446.23 and 202,892.67
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Solution
The fourth proportional to 319,221.63, 440,446.23 and 202,892.67 is: 279,941.28
Step by Step Solution
- Step 1: Write the proportion equation
319,221.63 : 440,446.23 = 202,892.67 : x - Step 2: Convert to fraction form
319,221.63/440,446.23 = 202,892.67/x - Step 3: Cross multiply
319,221.63x = 440,446.23 × 202,892.67 - Step 4: Simplify right side
319,221.63x = 89,363,311,596.13 - Step 5: Solve for x
x = 89,363,311,596.13/319,221.63 - Step 6: Final answer
x = 279,941.28
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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.