Finding the Fourth Proportional to 315,797.74, 436,261.91 and 273,282.46
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Solution
The fourth proportional to 315,797.74, 436,261.91 and 273,282.46 is: 377,528.75
Step by Step Solution
- Step 1: Write the proportion equation
315,797.74 : 436,261.91 = 273,282.46 : x - Step 2: Convert to fraction form
315,797.74/436,261.91 = 273,282.46/x - Step 3: Cross multiply
315,797.74x = 436,261.91 × 273,282.46 - Step 4: Simplify right side
315,797.74x = 119,222,725,512.03 - Step 5: Solve for x
x = 119,222,725,512.03/315,797.74 - Step 6: Final answer
x = 377,528.75
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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.