Finding the Fourth Proportional to 215,907.44, 298,072.71 and 151,574.09
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Solution
The fourth proportional to 215,907.44, 298,072.71 and 151,574.09 is: 209,256.80
Step by Step Solution
- Step 1: Write the proportion equation
215,907.44 : 298,072.71 = 151,574.09 : x - Step 2: Convert to fraction form
215,907.44/298,072.71 = 151,574.09/x - Step 3: Cross multiply
215,907.44x = 298,072.71 × 151,574.09 - Step 4: Simplify right side
215,907.44x = 45,180,098,281.72 - Step 5: Solve for x
x = 45,180,098,281.72/215,907.44 - Step 6: Final answer
x = 209,256.80
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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.