Finding the Fourth Proportional to 319,347.95, 440,680.04 and 183,286.14
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Solution
The fourth proportional to 319,347.95, 440,680.04 and 183,286.14 is: 252,923.32
Step by Step Solution
- Step 1: Write the proportion equation
319,347.95 : 440,680.04 = 183,286.14 : x - Step 2: Convert to fraction form
319,347.95/440,680.04 = 183,286.14/x - Step 3: Cross multiply
319,347.95x = 440,680.04 × 183,286.14 - Step 4: Simplify right side
319,347.95x = 80,770,542,590.21 - Step 5: Solve for x
x = 80,770,542,590.21/319,347.95 - Step 6: Final answer
x = 252,923.32
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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.