Finding the Fourth Proportional to 365,943.80, 548,915.70 and 303,735.80
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Solution
The fourth proportional to 365,943.80, 548,915.70 and 303,735.80 is: 455,603.70
Step by Step Solution
- Step 1: Write the proportion equation
365,943.80 : 548,915.70 = 303,735.80 : x - Step 2: Convert to fraction form
365,943.80/548,915.70 = 303,735.80/x - Step 3: Cross multiply
365,943.80x = 548,915.70 × 303,735.80 - Step 4: Simplify right side
365,943.80x = 166,725,349,272.06 - Step 5: Solve for x
x = 166,725,349,272.06/365,943.80 - Step 6: Final answer
x = 455,603.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.