Finding the Fourth Proportional to 402,273.36, 555,059.93 and 273,314.07
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Solution
The fourth proportional to 402,273.36, 555,059.93 and 273,314.07 is: 377,120.89
Step by Step Solution
- Step 1: Write the proportion equation
402,273.36 : 555,059.93 = 273,314.07 : x - Step 2: Convert to fraction form
402,273.36/555,059.93 = 273,314.07/x - Step 3: Cross multiply
402,273.36x = 555,059.93 × 273,314.07 - Step 4: Simplify right side
402,273.36x = 151,705,687,195.65 - Step 5: Solve for x
x = 151,705,687,195.65/402,273.36 - Step 6: Final answer
x = 377,120.89
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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.