Finding the Fourth Proportional to 330,242.44, 455,874.08 and 222,957.79
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Solution
The fourth proportional to 330,242.44, 455,874.08 and 222,957.79 is: 307,775.94
Step by Step Solution
- Step 1: Write the proportion equation
330,242.44 : 455,874.08 = 222,957.79 : x - Step 2: Convert to fraction form
330,242.44/455,874.08 = 222,957.79/x - Step 3: Cross multiply
330,242.44x = 455,874.08 × 222,957.79 - Step 4: Simplify right side
330,242.44x = 101,640,677,395.08 - Step 5: Solve for x
x = 101,640,677,395.08/330,242.44 - Step 6: Final answer
x = 307,775.94
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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.